- Roman Navy
The Roman Navy (
Latin: "Classis", lit. "fleet") comprised the naval forces of the Roman state. Unlike modern naval forces, it never existed as an autonomous service, but operated as an adjunct to the Roman army. Founded in ca. 311 BC, and massively expanded during the course of the First Punic War, the Roman navy played a vital role in the early stages of the Roman Republic's ascension to hegemony in the Mediterranean Sea, especially in the wars against Carthage. However, it was gradually reduced in size and significance, undertaking mainly policing duties, under the Empire. In the 4th century, the bulk of the Roman fleet was moved to the Eastern Roman Empire, and continued to serve as the Byzantine navy.
The exact origins of the Roman fleet are obscure. A traditionally agricultural and land-based society, the Romans rarely ventured out to sea, unlike their Etruscan neighbours. [Meijer (1986), pp. 147-148] There is evidence of Roman warships in the early 4th century BC, such as mention of a warship that carried an embassy to
Delphiin 394 BC, but at any rate, the Roman navy, if it existed, was very weak.Meijer (1986), p. 149] The traditional birthdate of the Roman navy is in ca. 311 BC, when, after the conquest of Campania, two new officials, the " duumvirinavales", were appointed on an "ad hoc" basis and tasked with the maintenance of a fleet. [ Livy, "AUC" IX.30; XL.18,26; XLI.1] As a result, the Republic acquired its first fleet, consisting of 20 ships, most likely triremes, with each "duumvir" commanding a squadron of 10 ships. However, the Republic continued to rely mostly on her legions for expansion in Italy, since the navy lacked experience, as a defeat in 282 BC against the Tarentines testifies. [Meijer (1986), p. 150]
This situation continued until the
First Punic War: the main task of the Roman fleet was patrolling along the Italian coast and rivers, protecting seaborne trade from piracy. Whenever larger tasks had to be undertaken, such as the naval blockade of a besieged city, the Romans called on the allied Greek cities of southern Italy, the "socii navales", to provide ships and crews.Goldsworthy (2003), p. 34]
First Punic War
The first Roman expedition outside mainland Italy was against the island of
Sicilyin 265 BC, which led to the outbreak of hostilities with Carthage. Carthage at the time was the dominant sea power in the western Mediterranean, possessing a long maritime and naval experience and a large fleet. Operations in Sicily had to be supported by a fleet, so in 261 BC, the Romans set out to construct a fleet of 100 quinquiremes and 20 triremes.Goldsworthy (2003), p. 34] According to Polybius, the Romans seized a shipwrecked Carthaginian warship, and used it as a blueprint for a massive naval build-up. [Polybius, " [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Polybius/home.html The Histories] ", I.20-21] The new fleets were commanded by the annually elected Roman magistrates, but naval expertise was provided by the lower officers, who continued to be provided by the "socii", mostly Greeks. This practice was continued until well into the Empire, something also attested by the direct adoption of numerous Greek naval terms. ["A Companion to the Roman Army", p. 201]
Despite the buildup, the Roman crews remained inferior in naval experience to the Carthaginians, and could not hope to match them in naval tactics, which required great maneuverability. They therefore employed a novel weapon which transformed sea warfare to their advantage. They equipped their ships with the "corvus", possibly developed earlier by the Syracusians against the Athenians. This was a long plank with a spike for hooking onto enemy ships. Using it as a boarding bridge, marines were able to board an enemy ship, transforming sea combat into a version of land combat, where the Roman legionaries had the upper hand. However, it is believed that the corvus' weight made the ships unstable, and could capsize a ship in rough seas.Goldsworthy (2003), p. 38]
Although the first sea engagement, the
Battle of the Lipari Islandsin 260 BC, was a defeat for Rome, the forces involved were relatively small. Through the use of the "corvus", the fledgling Roman navy under Gaius Duiliuswon its first major engagement later that year at the Battle of Mylae. During the course of the war, Rome continued to be victorious at sea: victories at Sulci (258 BC), Tyndaris (257 BC) were followed by the massive Battle of Cape Ecnomus, where the Roman fleet under the consuls Marcus Atilius Regulusand Lucius Manlius inflicted a severe defeat on the Carthaginians. This string of successes allowed Rome to push the war further across the sea to Africa and Carthage itself. Continued Roman success also meant that their navy gained significant experience, although it also suffered a number of catastrophic losses due to storms, while conversely, the Carthaginian navy suffered from attrition.Goldsworthy (2003), p. 38]
Battle of Drepanain 249 BC resulted in the only major Carthaginian sea victory, forcing the Romans to equip a new fleet from private donations. In the last battle of the war, at Aegates Islands in 241 BC, the Romans under Gaius Lutatius Catulusdisplayed superior seamanship to the Carthaginians, notably using their rams rather than the now-abandoned "corvus" to achieve victory.
Illyria and the Second Punic War
After the Roman victory, the balance of naval power in the Western Mediterranean had shifted from Carthage to Rome.Meijer (1986), p. 167] This ensured Carthaginian acquiescence to the conquest of Sardinia and Corsica, and also enabled Rome to deal decisively with the threat posed by the
Illyrian pirates in the Adriatic. The Illyrian Warsmarked Rome's first involvement with the affairs of the Balkan peninsula.Gruen (1984), p. 359.] Initially, in 229 BC, a fleet of 200 warships was sent against Queen Teuta, and swiftly expelled the Illyrian garrisons from the Greek coastal cities of modern-day Albania. Ten years later, the Romans sent another expedition in the area against Demetrius of Pharos, who had rebuilt the Illyrian navy and engaged in piracy up into the Aegean. Demetrius was supported by Philip V of Macedon, who had grown anxious at the expansion of Roman power in Illyria. [Meijer (1986), pp. 167-168] The Romans were again quickly victorious and expanded their Illyrian protectorate, but the beginning of the Second Punic Warforced them to divert their resources westwards for the next decades.
Due to Rome's command of the seas,
Hannibal, Carthage's great general, was forced to shift the strategy, bringing the war over land to the Italian peninsula. [Meijer (1986), p. 168] Unlike the first war, the navy played little role on either side in this war. THe only naval encounters occurred in the first years of the war at Lilybaeum (218 BC) and the Ebro River (217 BC), both resulting Roman victories. Despite an overall numerical parity, for the remainder of the war the Carthaginians did not seriously challenge Roman supremacy. The Roman fleet was hence engaged primarily with raiding the shores of Africa and guarding Italy, a task which included the interception of Carthaginian convoys of supplies and reinforcements for Hannibal's army, as well as keeping an eye on a potential intervention by Carthage's ally, Philip V.Meijer (1986), p. 170] The only major action in which the Roman fleet was involved was the siege of Syracusein 214-212 BC with 130 ships under Marcus Claudius Marcellus. The siege is remembered for the ingenious inventions of Archimedes, such as mirrors that burned ships or the so-called " Claw of Archimedes", which kept the besieging army at bay for two years. [Meijer (1986), pp. 170-171] A fleet of 160 vessels was assembled to support Scipio Africanusin Africa in 202 BC, and, should his expedition fail, evacuate his men. In the event, Scipio achieved a decisive victory at Zama, and the subsequent peace stripped Carthage of its fleet. [Meijer (1986), p. 173]
Operations in the East
Rome was now the undisputed mistress of the Western Mediterranean, and turned her gaze from defeated Carthage to the
Hellenisticworld. Small Roman forces were already engaged in the First Macedonian War. In 214 BC, the Romans, under Marcus Valerius Laevinus, had successfully thwarted Philip V from invading Illyria with his newly-built fleet. Allied with the Aetolian Leagueand later the Kingdom of Pergamon, the Roman-Pergamene fleet of no more than 60 ships controlled the Aegean until the war's end in 205 BC. In this conflict, Rome was not interested in expanding her possessions, but rather in thwarting the growth of Philip's power in Greece. The war had ended in an effective stalemate, and was renewed in 201 BC, when Philip V invaded Asia Minor. A naval battle off Chiosended in a costly victory for the Pergamne-Rhodian alliance, while the Macedonian fleet lost many warships, including its flagship, a "deceres".Meijer (1986), p. 175] Rome was drawn into the Second Macedonian Warwhen Pergamon and Rhodes appealed to it for help. In view of the massive Roman naval superiority, the war was fought on land, with the Macedonian fleet, already weakened at Chios, not daring to venture out of its anchorage at Demetrias. After the crushing Roman victory at Cynoscephalae, the terms imposed on Macedon were harsh, and included the complete disbandment of her navy.
Following the defeat of
Macedon, Rome became embroiled in a war with the Seleucid Empire. This war too was decided mainly on land, although the combined Roman-Rhodian navy also achieved victories over the Seleucids at Myonessus and Eurymedon.
These victories, which were invariably concluded with the imposition of peace treaties that prohibited the maintenance even of token naval forces, spelled the disappearance of the Hellenistic royal navies, leaving Rome and her allies unchallenged at sea. Coupled with the final destruction of Carthage, and the end of Macedon's independence, by the latter half of the 2nd century BC, Roman control over all of what was later to be dubbed "
mare nostrum" ("our sea") had been established. Subsequently, the Roman navy was drastically reduced, depending on its Greek allies to supply ships and crews as needed.Connolly (1998), p. 273]
Mithridates and the pirate threat
In the absence of a strong naval presence however, piracy flourished throughout the Mediterranean, especially in
Cilicia, but also in Creteand other places,further reinforced by money and warships supplied by Mithridates of Pontus, who hoped to enlist them in his wars against Rome. [ Appian, "The Mithridatic Wars", [http://www.livius.org/ap-ark/appian/appian_mithridatic_19.html#§92 §92] ] In the First Mithridatic War, Sullahad to requisition ships wherever he could find them to counter Mithridates' fleet. Despite the makeshift nature of the Roman fleet, however, in 86 BC Lucullusdefeated the Pontic navy at Tenedos.Starr (1989), p. 62]
Immediately after the war was over, a permanent force of ca. 100 vessels was established from the contributions of Rome's allied maritime states. Although sufficient against Mihtridates, this force was totally inadequate against the pirates. Over the next decade, the pirates defeated several Roman commanders, and raided unhindered even to the shores of Italy. Their activity posed a growing threat for the Roman economy, and several prominent Romans, including two
praetors with the retinue and the young Julius Caesar, were captured and held for ransom. But perhaps most importantly, the pirates disrupted the Roman lifeline: the massive shipments of grain and other produce from Africa and Egypt that were needed to sustain the city's population. [ Appian, "The Mithridatic Wars", [http://www.livius.org/ap-ark/appian/appian_mithridatic_19.html#§93 §93] ]
The grain shortages were a major political issue, as popular discontent threatened to become explosive. In 74 BC, with the outbreak of the
Third Mithridatic War, Marcus Antonius (the father of Mark Antony) was appointed "praetor" with extraordinary " imperium", but signally failed to defeat the pirates; rather, he was defeated off Crete in 72 BC, and died shortly after. [Goldsworthy (2007), p. 186] Finally, in 67 BC the " Lex Gabinia" was passed in the Plebeian Council, vesting Pompeywith unprecedented powers and authorizing him to move against them. [ Appian, "The Mithridatic Wars", [http://www.livius.org/ap-ark/appian/appian_mithridatic_19.html#§94 §94] ] In a massive and concerted campaign, Pompey cleared the seas from the pirates.Connolly (1998), p. 273] [ Appian, "The Mithridatic Wars", [http://www.livius.org/ap-ark/appian/appian_mithridatic_19.html#§95 §95] - [http://www.livius.org/ap-ark/appian/appian_mithridatic_20.html#§96 §96] ] Afterwards, the fleet was reduced again to policing duties against intermittent piracy.
The Civil Wars
The last major campaign of the Roman navy in the Mediterranean until the 3rd century AD would be in the civil wars that ended the Republic.
Sextus Pompeius, in his conflict with Octavian, had been given command of the Italian fleet by the Senate in 43 BC, and controlled the politically crucial supply of grain from Sicily to Rome. ["A Companion to the Roman Army", pp. 205-206] After suffering a defeat from Sextus in 42 BC, Octavian initiated massive naval armaments, aided by his closest associate, Marcus Agrippa: ships were built at Ravenna and Ostia, the new artificial harbor of Portus Juliusbuilt at Cumae, and soldiers and rowers levied, including over 20,000 manumitted slaves. ["A Companion to the Roman Army", p. 206] Finally, Octavian and Agrippa defeated Sextus in the Battle of Naulochusin 36 BC, putting an end to all Pompeian resistance. Octavian's power was further enhanced after his victory against the combined fleets of Mark Antonyand Cleopatra, Queen of Egypt, in the Battle of Actiumin 31 BC, where Antony had assembled 500 ships against Octavian's 400 ships. ["A Companion to the Roman Army", p. 207] This last naval battle of the Roman Republic definitively established Octavian as the sole ruler over Rome and the Mediterranean world. In the aftermath of his victory, he formalized the Fleet's structure, establishing several key harbors in the Mediterranean (see below). The now fully professional navy had its main duties consist of protecting against piracy, escorting troops and patrolling the river frontiers of Europe. It remained however engaged in active warfare in the periphery of the Empire.
Operations under Augustus
Augustusand after the conquest of Egyptthere were increasing demands from the Roman economy to extend the trade lanes to India. The Arabian control of all sea routes to India was an obstacle. One of the first naval operations under "princeps" Augustus was therefore the preparation for a campaign on the Arabian peninsula. Aelius Gallus, the prefect of Egypt ordered the construction of 130 transports and subsequently carried 10,000 soldiers to Arabia. ["A Companion to the Roman Army", p. 208] But the following march through the desert towards Yemenfailed and the plans for control of the Arabian peninsulahad to be abandoned.
At the other end of the Empire, in
Germania, the navy played an important role in the supply and transport of the legions. In 15 BC an independent fleet was installed at the Lake Constance. Later, the generals Drusus and Tiberiusused the Navy extensively, when they tried to extend the Roman frontier to the Elbe. In 12 BC Drusus ordered the construction of a fleet of 1,000 ships and sailed them along the Rhineinto the North Sea. [ Tacitus, [http://en.wikisource.org/wiki/The_Annals_(Tacitus)/Book_2#6 "The Annals" II.6] ] The Frisiansand Chaucihad nothing to oppose the superior numbers, tactics and technology of the Romans. When these entered the river mouths of Weserand Ems, the local tribes had to surrender.
In 5 BC the Roman knowledge concerning the North and Baltic Sea was fairly extended during a campaign by
Tiberius, reaching as far as the Elbe: Plinius describes how Roman naval formations came past Heligolandand set sail to the north-eastern coast of Denmark, and Augustus himself boasts in his "Res Gestae": "My fleet sailed from the mouth of the Rhine eastward as far as the lands of the Cimbri to which, up to that time, no Roman had ever penetrated either by land or by sea...". [" [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Augustus/Res_Gestae/home.html Res Gestae] ", 26.4] The multiple naval operations north of Germania had to be abandoned after the battle of the Teutoburg Forestin the year 9 AD.
In the years 15 and 16,
Germanicuscarried out several fleet operations along the rivers Rhine and Ems, without permanent results due to grim Germanic resistance and a disastrous storm. By 28, the Romans lost further control of the Rhine mouth in a succession of Frisian insurgencies. From 37 to 85, the Roman navy played an important role in the Roman conquest of Britain. Especially the "classis Germanica" rendered outstanding services in multitudinous landing operations. In 46 a naval expedition made a push deep into the Black Searegion and even travelled on the Tanais. By 57 an expeditionary corps reached Chersonesos(see Charax, Crimea).
It seems that under
Nerothe navy obtained strategically important positions for trading with India; but there was no known fleet in the Red Sea. Possibly, parts of the Alexandrian fleet were operating as escorts for the Indian trade. In the Jewish revolt, from 66 to 70, the Romans were forced to fight Jewish ships, operating from a harbour in the area of modern Tel Aviv, on Israel's Mediterraneancoast. In the meantime several flotilla engagements on the Sea of Galileetook place.
In 68, as his reign became increasingly insecure, Nero raised "legio" I "Adiutrix" from sailors of the praetorian fleets. After Nero's overthrow, in 69, the "
Year of the four emperors", the fleets supported Emperor Othoagainst the usurper Vitellius, and after his eventual victory, Vespasianformed another legion, "legio" II "Adiutrix", from their ranks.
Flavian, Antonine and Severan dynasties
Batavian rebellionof Gaius Julius Civilis(69-70), the rebels got hold of a squadron of the Rhine fleet by treachery, [ Tacitus, [http://en.wikisource.org/wiki/The_Histories_(Tacitus)/Book_4#16 "The Histories", IV.16] ] and the conflict featured frequent use of the Roman Rhine flotilla. In the last phase of the war, the British fleet and "legio" XIV were brought in from Britain to attack the Batavian coast, but the Cananefates, allies of the Batavians, were able to destroy or capture a large part of the fleet. [ Tacitus, [http://en.wikisource.org/wiki/The_Histories_(Tacitus)/Book_4#79 "The Histories", IV.79] ] In the meantime, the new Roman commander, Quintus Petillius Cerialis, advanced north and constructed a new fleet. Civilis attempted only a short encounter with his own fleet, but could not hinder the superior Roman force from landing and ravaging the island the Batavians, leading to the negotiation of a peace soon after. [ Tacitus, [http://en.wikisource.org/wiki/The_Histories_(Tacitus)/Book_5#23 "The Histories", V.23-25] ]
In the years 82 to 85, the Romans under
Gnaeus Julius Agricolalaunched a campaign against the Caledoniansin modern Scotland. In this context the Roman navy significantly escalated activities on the eastern Scottish coast. [ Tacitus, [http://en.wikisource.org/wiki/Agricola "Agricola", 25; 29] ] Simultaneously multiple expeditions and reconnaissance trips were launched. During these the Romans would capture the Orkney Islands("Orcades") for a short period of time and obtained information about the Shetland Islands. [ Tacitus, [http://en.wikisource.org/wiki/Agricola#10 "Agricola", 10] ] There is some speculation about a Roman landing in Ireland, based on Tacitus reports about Agricola contemplating the island's conquest, [ Tacitus, [http://en.wikisource.org/wiki/Agricola#24 "Agricola", 24] ] but no conclusive evidence to support this theory has been found.
Five Good Emperorsthe navy operated mainly on the rivers; so it played an important role during Trajan's conquest of Daciaand temporarily an independent fleet for the Euphratesand Tigrisrivers was founded. Also during the wars against the Marcomanni confederation under Marcus Aureliusseveral combats took place on the Danubeand the Tisza.
Under the aegis of the
Severan dynasty, the only known military operations of the navy were carried out under Septimius Severus, using naval assistance on his campaigns along the Euphratesand Tigris, as well as in Scotland. Thereby Roman ships reached "inter alia" the Persian Gulfand the top of the British Isles.
Third century crisis
In the 3rd century, like the Empire itself, the navy began to decline. Piracy, wiped out almost three centuries earlier, reappeared after 230, and the imperial fleets proved unable to stem a series of seaborne invasions by the Goths and other tribes over the Black Sea.Casson (1991), p. 213] These invasions began during the rule of
Trebonianus Gallus, when for the first time Germanic tribes built up their own powerful fleet in the Black Sea. Via two surprise attacks (256) on Roman naval bases in the Caucasusand near the Danube, numerous ships fell into the hands of the Germans, whereupon the raids were extended as far as the Aegean Sea; Byzantium, Athens, Spartaand other towns were plundered and the responsible provincial fleets were heavily debilitated. It was not until the attackers made a tactical error, that their onrush could be stopped.
In 267-270 another, much fiercer series of attacks took place. A fleet comprised of
Heruliand other tribes raided the coasts of Thraceand the Pontus. Defeated off Byzantiumby general Venerianus, ["Scriptores Historiae Augustae", [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Gallieni_duo*.html#13.6 "Vita Gallienii", 13.6-7] ] the barbarians fled into the Aegean, and ravaged many islands and coastal cities, including Athensand Corinth. As they retreated northwards over land, they were defeated by Emperor Gallienusat Nestos. ["Scriptores Historiae Augustae", [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Gallieni_duo*.html#13.8 "Vita Gallienii", 13.8-9] ] However, this was merely the prelude to an even larger invasion that was launched in 268/269: several tribes banded together (the " Historia Augusta" mentions Scythians, Greuthungi, Tervingi, Gepids, Peucini, Celts and Heruli) and allegedly 2,000 ships and 325,000 men strong, ["Scriptores Historiae Augustae", "Vita Divi Claudii", [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Claudius*.html#6.2 6.2-4] ; [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Claudius*.html#8.1 8.1] ] raided the Thracian shore, attacked Byzantium and continued raiding the Aegean as far as Crete, while the main force approached Thessalonica. Emperor Claudius IIhowever was able to defeat them at the Battle of Naissus, ending the Gothic threat for the time being. [ Zosimus, "Historia Nova", I.42-45]
Barbarian raids also increased along the Rhine frontier and in the
North Sea. Eutropiusmentions that during the 280s, the sea along the coasts of the provinces of Belgica and Armorica was "infested with Franks and Saxons". To counter them, Maximianappointed Carausiusas commander of the British Fleet. [ Eutropius, "Breviarium", [http://www.forumromanum.org/literature/eutropius/trans9.html#21 IX.21] ] However, Carausius rose up in late 286 and seceded from the Empire with Britannia and parts of the northern Gallic coast. [" Panegyrici Latini", 8.6] With a single blow Roman control of the channel and the North Sea was lost, and emperor Maximinuswas forced to create a completely new Northern Fleet, but in lack of training it was almost immediately destroyed in a storm. [" Panegyrici Latini", 8.12] Only in 293, under "Caesar" Constantius Chlorusdid Rome regain the Gallic coast. A new fleet was constructed in order to cross the Channel, [" Panegyrici Latini", 6.5; 8.6-8] and in 296, with a concentric attack on Londiniumthe insurgent province was retaken. [ Eutropius, "Breviarium" [http://www.forumromanum.org/literature/eutropius/trans9.html#22 9.22] ; Aurelius Victor, "Book of Caesars" [http://www.thelatinlibrary.com/victor.caes.html#39 39.42] ]
By the end of the 3rd century, the Roman navy had declined dramatically. Although Emperor
Diocletianis held to have strengthened the navy, and increased its manpower from 46,000 to 64,000 men, [Treadgold (1997), p. 145] the old standing fleets had all but vanished, and in the civil wars that ended the Tetrarchy, the opposing sides had to mobilize the resources and commandeered the ships of the Eastern Mediterranean port cities. These conflicts thus brought about a renewal of naval activity, culminating in the Battle of the Hellespontin 324 between the forces of Constantine Iunder Caesar Crispusand the fleet of Licinius, which was the only major naval confrontation of the 4th century. Vegetius, writing at the end of the 4th century, testifies to the disappearance of the old praetorian fleets in Italy, but comments on the continued activity of the Danube fleet.MacGeorge (2002), pp. 306-307] In the 5th century, only the eastern half of the Empire could field an effective fleet, as it could draw upon the maritime resources of Greece and the Levant. Although the " Notitia Dignitatum" still mentions several naval units for the Western Empire, these were apparently too depleted to be able to carry out much more than patrol duties. [Lewis & Runyan (1985), pp. 4-8] At any rate, the rise of the naval power of the Vandal Kingdomunder Geisericin North Africa, and its raids in the Western Mediterranean, were practically uncontested. Although there is some evidence of West Roman naval activity in the first half of the 5th century, this is mostly confined to troop transports and minor landing operations. The historian Priscusand Sidonius Apollinarisaffirm in their writings that by the mid-5th century, the Western Empire essentially lacked a war navy. [MacGeorge (2002), p. 307] Matters became even worse after the disastrous failure of the fleets mobilized against the Vandals in 460 and 468, under the emperors Majorianand Anthemius.
For the West, there would be no recovery, as the last Western Emperor,
Romulus Augustulus, was deposed in 476. In the East however, the classical naval tradition survived, and in the 6th century, a standing navy was reformed. The East Roman (Byzantine) navy would remain a formidable force in the Mediterranean until the 11th century.
The bulk of a ship's crew was formed by the rowers the "remiges" (sing. "remex") or "eretai" in Greek. Despite popular perception, the Roman fleet relied throughout its existence on rowers of free status, and
galley slaves were usually not put at the oars, except in times of pressing manpower demands or extreme emergency, and even then, they were employed after they had been freed.Casson (1991), p. 188] In Imperial times, non-citizen freeborn provincials ("peregrini"), chiefly from nations with a maritime background such as Greeks, Phoenicians, Syrians and Egyptians formed the bulk of the fleets' crews.
During the early Principate, a ship's crew, regardless of its size, was organized as a "
centuria". Crewmen could sign on as marines, rowers/seamen, craftsmen and various other jobs, though all personnel serving in the imperial fleet were classed as "milites" ("soldiers"), regardless of their function; only when differentiation was required, the adjectives "classiarius" or "classicus" were added. Along with several other instances of prevalence of army terminology, this testifies to the lower status of the naval personnel, who were inferior to the auxiliaries and the legionaries. Emperor Claudiusfirst gave legal privileges to the navy's crewmen, enabling them to receive Roman citizenshipafter their period of service. ["A Companion to the Roman Army", p. 212] This period was initially set at a minimum of 26 years (one year more than the legions), and was later expanded to 28. Upon honorable discharge ("honesta missio"), the sailors received a sizable cash payment as well.
Among the crew were also a number of "principales" (junior officers) and "
immunes" (specialists exempt from certain duties). Some of these positions, mostly administrative, were identical to those of the army auxiliaries, while some (mostly of Greek provenance) were peculiar to the fleet. An inscription from the island of Cos, dated to the First Mithridatic War, lists us a ship's officers, the "nautae": the "gubernator" ("kybernētēs" in Greek) was the helmsman or pilot, the "celeusta" ("keleustēs" in Greek) supervised the rowers, a "proreta" ("prōreus" in Greek) was the look-out stationed at the bow, a "pentacontarchos" was apparently a junior officer, and an "iatros" (Lat. "medicus"), a ship's doctor. [A Companion to the Roman Army, pp. 201-202]
Each ship was commanded by a "
trierarchus", while squadrons were put under a "nauarchus", who often appears to have risen from the ranks of the "trierarchi". The post of "nauarchus princeps" appeared later in the Imperial period, and functioned either as a commander of several squadrons or an executive officer under a civilian admiral."A Companion to the Roman Army", p. 210] These were professional officers, usually "peregrini" who had a status equal to an auxiliary centurion(and were thus increasingly called "centuriones [classiarii] " after ca. AD 70). ["A Companion to the Roman Army", pp. 210-211] Only in the 3rd century were these officers equated to the legionary centurions in status and pay, and could henceforth be transferred to a similar position in the legions. [Wesch-Klein (1998), p. 25]
During the Republic, command of a fleet was given to a serving
magistrateor promagistrate, usually of consular or praetorian rank. In the Punic Wars for instance, one consul would usually command the fleet, and another the army. In the subsequent wars in the Eastern Mediterranean, praetors would assume the command of the fleet. However, since these men were political appointees, the actual handling of the fleets and of separate squadrons was entrusted to their more experienced legates and subordinates. It was therefore during the Punic Wars that the separate position of "praefectus classis" ("fleet prefect") first appeared. [ Livy, "AUC" XXVI.48; XXXVI.42]
Initially subordinate to the magistrate in command, after the fleet's reorganization by Augustus, the "praefectus classis" became
procuratorial positions in charge the permanent fleets. They were initially filled either from among the Emperor's freedmenor from the equestrian class, thus securing the Emperor's control over the fleets. From the period of the Flavian emperors, only equestrians with military experience who had gone through the "militia equestri" were appointed."A Companion to the Roman Army", p. 210] Nevertheless, the prefects remained political appointees, and despite their military experience, usually in command of army auxiliary units, their knowledge of naval matters was minimal, forcing them to rely on their professional subordinates."Age of the Galley", p. 80] The difference in importance of the fleets was also reflected by the pay of the commanders. The commanders of the two praetorian fleets were "procuratores ducenarii", meaning they earned 200,000 sestercesannually, the commanders of the "Classis Germanica", the "Classis Britannica" and later the "Classis Pontica" were "centenarii" (i.e. earning 100,000 sesterces), while the other fleet commanders were "sexagenarii" (i.e. they received 60,000 sesterces). [ [http://www.csun.edu/~hcfll004/equesproc.html Pflaum, H.G. (1950). "Les procurateurs équestres sous le Haut-Empire romain", pp. 50-53] ]
The generic Roman term for an oar-driven galley warship was "long ship" (Latin: "navis longa", Greek: "naus makra"), as opposed to the sail-driven "navis oneraria", a merchant vessel, or the minor craft ("navigia minora") like the "scapha". ["A Companion to the Roman Army", pp. 202-203]
The navy consisted of a wide variety of different classes of warships, from the heavy polyremes to the light raiding and scouting vessels. During and after the Punic Wars, the mainstay of the Roman navy was the "five" or
quinquereme(Gk. "pentērēs"), which was copied from a captured Carthaginian model, and the "four" or quadrireme(Gk. "tetrērēs"). Triremes continued to serve as well as a smaller, faster vessel, especially among the allied contingents. The term "trireme" can however refer to several types of ships with three oarsmen throughout the Republican and Imperial periods, and is not necessarily indicative of one particular design. In addition, the presence of two "sixes" (hexareme, Gk. "hexērēs") is recorded during the Punic Wars, which were used as flagships. The Romans do not seem to have engaged in the construction of gigantic warships like their contemporary Hellenistic navies, at least until the Civil Wars.
During the final confrontation between Octavian and Mark Antony, Octavian's fleet was composed of quinqueremes, together with some "sixes" and many triremes and liburnians, while Antony, who had the resources of Ptolemaic Egypt to draw upon, fielded a fleet also mostly composed of quinquiremes, but with a sizeable complement of heavier warships, including some "tens" (Gk. "dekērēs"). [
Cassius Dio, "Historia Romana", L.23.2] Later historical tradition made much of the prevalence of lighter and swifter vessels in Octavian's fleet, [ Plutarch, "Antony", 62] with Vegetiuseven explicitly ascribing Octavian's victory to the liburnians. [ Vegetius, " De Re Militari", [http://www.thelatinlibrary.com/vegetius4.html IV.33] ]
This prominence of lighter craft in the historical narrative is perhaps best explained in light of subsequent developments. After Actium, the operational landscape had changed: for the remainder of the Principate, no opponent existed to challenge Roman naval hegemony, and no massed naval confrontation was likely. The tasks at hand for the Roman navy were now the policing of the Mediterranean waterways and the border rivers, suppression of piracy, and escort duties for the grain shipments to Rome and for imperial army expeditions. Lighter ships were far better suited to these tasks, and after the reorganization of the fleet, the largest ship kept in service was a hexareme, the flagship of the "
Classis Misenensis". The bulk of the fleets was composed of the lighter triremes and liburnians (Latin: "liburna", Greek: "libyrnis"), with the latter apparently providing the majority of the provincial fleets. [Casson (1995), p. 141] In time, the term "liburnian" came to mean "warship" in a generic sense.Connolly (1998), p. 273]
In addition, there were smaller oared vessels, such as the "navis actuaria", with 30 oars (15 on each bank), a ship primarily used for transport in coastal and fluvial operations, for which its shallow draught and flat keel were ideal. In late Antiquity, it was succeeded in this role by the "
navis lusoria" ("playful ship"), which was extensively used for patrols and raids by the legionary flotillas in the Rhine and Danube frontiers.
Roman ships were commonly named after gods ("
Mars", "Iuppiter", " Minerva", " Isis"), mythological heroes (" Hercules"), geographical maritime features such as "Rhenus" or " Oceanus", concepts such as Harmony, Peace, Loyalty, Victory ("Concordia", "Pax", "Fides", "Victoria") or after important events ("Dacicus" for the Dacian Warsor "Salamina" for the Battle of Salamis). [Casson (1995), pp. 357-358; Casson (1991), pp. 190-191] They were distinguished by their figurehead("insigne" or "parasemum"), ["A Companion to the Roman Army", p. 203] and, during the Civil Wars at least, by the paint schemes on their turrets, which varied according to each fleet. [Warry (2004), p. 183]
Armament and tactics
In Classical Antiquity, a ship's main weapon was the ram ("rostra", hence the name "navis rostrata" for a warship), which was used to sink or immobilize an enemy ship by holing its hull. Its use however required a skilled and experienced crew and a fast and agile ship like a trireme or quinquireme. In the Hellenistic period, the larger navies came instead to rely on greater vessels. This had several advantages: the heavier and sturdier construction lessened the effects of ramming, and the greater space and stability of the vessels allowed the transport not only of more marines, but also the placement of deck-mounted
ballistae and catapults. [Warry (2004), p. 98] Although the ram continued to be a standard feature of all warships and ramming the standard mode of attack, these developments transformed the role of a warship: from the old "manned missile", designed to sink enemy ships, they became mobile artillery platforms, which engaged in missile exchange and boarding actions. The Romans in particular, being initially inexperienced at sea combat, relied upon boarding actions through the use of the "corvus". Although it brought them some decisive victories, it was discontinued because it tended to unbalance the quinqueremes in high seas; two Roman fleets are recorded to have been lost during storms in the First Punic War. [Warry (2004), p. 118]
During the Civil Wars, a number of technical innovations, which are attributed to Agrippa, [
Appian, "The Civil Wars", [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Appian/Civil_Wars/5*.html#106 V.106] & [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Appian/Civil_Wars/5*.html#118 V.118] ] took place: the "harpago", a catapult-fired grappling hook, which was used to clamp onto an enemy ship, reel it in and board it, in a much more efficient way than with the old "corvus", and the use of collapsible fighting towers placed one apiece bow and stern, which were used to provide the boarders with supporting fire. [Warry (2004), pp. 182-183]
After the end of the civil wars, Augustus reduced and reorganized the Roman armed forces, including the navy. A large part of the fleet of Mark Antony was burned, and the rest was withdrawn to a new base at Forum Iulii (modern
Fréjus), [ Tacitus, [http://en.wikisource.org/wiki/The_Annals_(Tacitus)/Book_4#5 "The Annals", IV.5] ; Strabo, [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Strabo/4A*.html "Geography", IV.1.9] ] which remained operative until the reign of Claudius. ["Age of the Galley", p. 78] However, the bulk of the fleet was soon subdivided into two praetorian fleets at Misenumand Ravenna, supplemented by a growing number of minor ones in the provinces, which were often created on an "ad hoc" basis for specific campaigns. This organizational structure was maintained almost unchanged until the 4th century.
The two major fleets were stationed in Italy and acted as a central naval reserve, directly available to the Emperor (hence the designation "praetorian"). In the absence of any naval threat, their duties mostly involved patrolling and transport duties throughout the Mediterranean. These were:
* The "
Classis Misenensis", established in 27 BC and based at Portus Julius. Later "Classis praetoria Misenesis Pia Vindex".
* The "
Classis Ravennatis", established in 27 BC and based at Ravenna. Later "Classis praetoria Ravennatis Pia Vindex".
The various provincial fleets were smaller than the praetorian fleets and composed mostly of lighter vessels. Nevertheless, it was these fleets that saw action, in full campaigns or raids on the periphery of the Empire.
* The "Classis Africana Commodiana Herculea", established by
Commodusin 186 to secure the grain shipments ("annona") from North Africa to Italy, ["Scriptores Historiae Augustae", [http://penelope.uchicago.edu/Thayer/E/Roman/Texts/Historia_Augusta/Commodus*.html#17 "Vita Commodi", 17.7] ] after the model of the "Classis Alexandrina".
* The "Classis Alexandrina", based in
Alexandria, it controlled the eastern part of the Mediterranean sea. It was founded by Caesar Augustusaround 30 BC, probably from ships that fought at the battle of Actium. Having supported emperor Vespasianin the civil war of 69, it was awarded of the " cognomen" "Augusta". The fleet was responsible chiefly for the escort of the grain shipments to Rome (and later Constantinople), and also apparently operated the Nile river patrol."A Companion to the Roman Army", p. 215]
* The "
Classis Britannica", established in 40 or 43 AD at Gesoriacum ( Boulogne-sur-Mer). [Cleere (1977), pp. 16; 18-19] It participated in the Roman invasion of Britainand the subsequent campaigns in the island. The fleet was probably based at Rutupiae( Richborough) until 85 AD, when it was transferred to Dubris ( Dover). Other bases were Portus Lemanis( Lympne) and Anderitum( Pevensey), while Gesoriacum on the Gallic coast likely remained active.Cleere (1977), p. 19] During the 2nd-3rd centuries, the fleet was chiefly employed in transport of supplies and men across the English Channel. The "Classis Britannica" disappears (at least under that name) from the mid-3rd century, and the sites occupied by it were soon incorporated in the Saxon Shoresystem.
* The "Classis Germanica" was established in 12 BC by
Drususat Castra Vetera,Cleere (1977), p. 16] it controlled the Rhine river, and was mainly a fluvial fleet, although it also operated in the North Sea. After 50, this fleet moved its main base to "Colonia Agrippinensis". Later "Classis Augusta Germanica Pia Fidelis".
* The "Classis nova Libyca", first mentioned in 180, based most likely at
Ptolemaison the Cyrenaica.
* The "Classis Mauretanica", based at Caesarea Mauretaniae (modern
Cherchell), it controlled the African coasts of the western Mediterranean sea. Established on a permanent basis after the raids by the raids by the Moors in the early 170s.
* The "Classis Moesica" was established sometime between 20 BC and 10 AD. It was based in Noviodunum and controlled the Lower Danube and the western
* The "Classis Pannonica", a fluvial fleet controlling the Upper Danube from Castra Regina in
Raetia(modern Regensburg) to Singidunumin Moesia(modern Belgrade). Its exact date of establishment is unknown. Some trace it to Augustus' campaigns in Pannonia in ca. 35 BC, but it was certainly in existence by 45 AD."A Companion to the Roman Army", p. 214] Its main base was probably Taurunum (modern Zemun) at the confluence of the river Savawith the Danube. Under the Flavian dynasty, it received the "cognomen" "Flavia".
* The "Classis Perinthia", established after the annexation of
Thracein 46 AD and based in Perinthus. It operated in the Propontisand the Thracian coast. Probably united with the "Classis Pontica" at a later stage.
* The "Classis Pontica", founded in 64 AD from the Pontic royal fleet, [Starr (1989), p. 76] and based in
Trapezus, although on occasion it was moved to Byzantium(in ca. 70), [ Tacitus, [http://en.wikisource.org/wiki/The_Histories_(Tacitus)/Book_2#83 "The Histories", II.83] ; [http://en.wikisource.org/wiki/The_Histories_(Tacitus)/Book_3#47 III.47] ] and in 170, to Cyzicus. [Starr (1989), p. 77] This fleet was used to guard the southern and eastern Black Sea, and the entrance of the Bosporus. According to the historian Josephus, in the latter half of the 1st century, it numbered 40 warships and 3,000 men. [ Josephus, [http://en.wikisource.org/wiki/The_War_of_the_Jews/Book_II#Chapter_16 "The Jewish War", II.16.4] ]
* The "Classis Syriaca", established probably under
Vespasian, and based in Seleucia Pieria(hence the alternative name "Classis Seleucena") [ Codex Theodosianus, X.23.1] in Syria. This fleet controlled the Eastern Mediterranean and the Aegean sea.
In addition, there is significant archaeological evidence for naval activity by certain legions, which in all likelihood operated their own squadrons: "legio" XXII "Primigenia" in the Upper
Rhineand Mainrivers, "legio" X "Fretensis" in the Jordan Riverand the Sea of Galilee, and several legionary squadrons in the Danube frontier. [http://www2.rgzm.de/Navis/Themes/Flotte/FleetsAndBorder.htm "Römisch-Germanisches Zentralmuseum Mainz": The Fleets and Roman Border Policy] ]
Our main source for the late Roman military is the "
Notitia Dignitatum", which corresponds to the situation of the 390s for the Eastern Empire and the 420s for the Western Empire. Notable in the "Notitia" is the large number of smaller squadrons that have been created, most of these fluvial and of a local operational role.
Fleets of the Danube frontier
The "Classis Histrica", the successor of the "Classis Pannonica" and the "Classis Moesica" was active in the Upper Danube, with bases at
Mursain Pannonia II,"Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_PU.HTM "Pars Occ.", XXXII.] ] Florentia in Pannonia Valeria,"Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_PV.HTM "Pars Occ.", XXXIII.] ] Arruntum in Pannonia I,"Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_PW.HTM "Pars Occ.", XXXIV.] ] Viminaciumin Moesia I"Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P26.HTM "Pars Orient.", XLI.] ] and Aegetae in Dacia ripensis."Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P27.HTM "Pars Orient.", XLII.] ] Smaller fleets are also attested on the Danube: the "Classis Arlapensis et Maginensis" and the "Classis Lauriacensis" in Pannonia I, the "Classis Stradensis et Germensis", based at Margo in Moesia I, and the "Classis Ratianensis", in Dacia ripensis. The naval units were complemented by port garrisons and marine units, drawn from the army. In the Danube frontier these were:
* In Pannonia I and Noricum ripensis, naval detachments ("milites liburnarii") of the "legio" XIV "Gemina" and the "legio" X "Gemina" at
Carnuntumand Arrabonae, and of the "legio" II "Italica" at Ioviacum.
* In Pannonia II, the I "Flavia Augusta" (at
Sirmium) and the II "Flavia" are listed under their prefects.
Moesia II, two units of sailors ("milites nauclarii") at Appiaria and Altinum."Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P25.HTM "Pars Orient.", XL.] ]
Scythia Minor, marines ("muscularii") ["musculus" (meaning "small mouse") was a kind of small ship] of "legio" II "Herculia" at Inplateypegiis and sailors ("nauclarii") at Flaviana."Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P24.HTM "Pars Orient.", XXXIX.] ]
Fleets in Western Europe
In the West, and in particular in Gaul, several fluvial fleets had been established. These came under the command of the "magister peditum" of the West, and were:"Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P13.HTM "Pars Occ.", XLII.] ]
* The "Classis Anderetianorum", based at Parisii (
Paris) and operating in the Seineand Oise rivers.
* The "Classis Ararica", based at Caballodunum (
Châlon-sur-Saône) and operating in the SaôneRiver.
* A "Classis barcariorum", composed of small vessels, at Eburodunum (modern
Yverdon-les-Bains) at Lake Neuchâtel
* The "Classis Comensis" at
* The old praetorian fleets, the "Classis Misenatis" and the "Classis Ravennatis" are still listed, albeit with no distinction indicating any higher importance than the other fleets.
* The "Classis fluminis Rhodani", based at
Arelateand operating in the Rhône River. It was complemented with a marine detachment ("milites muscularii") based at Marseilles.
* The "Classis Sambrica", based at Locus Quartensis (unknown location) and operating in the
Somme Riverand the Channel. It came under the command of the "dux Beligae Secundae"."Notitia Dignitatum", [http://www.intratext.com/IXT/LAT0212/_P10.HTM "Pars Occ.", XXXVIII.] ]
* The "Classis Venetum", based at
Aquileiaand operating in the Adriatic Sea.
It is notable that, with the exception of the praetorian fleets (whose retention in the list does not necessarily signify that they were active), the old fleets of the Principate, are missing. As far as the East is concerned, we know from other sources that the "Classis Alexandrina" ["
Codex Justinianus", [http://webu2.upmf-grenoble.fr/Haiti/Cours/Ak/Corpus/CJ11.htm#2 XI.2.4] ] and the "Classis Seleucena" [" Codex Justinianus", [http://webu2.upmf-grenoble.fr/Haiti/Cours/Ak/Corpus/CJ11.htm#13 XI.13.1] ] continued to operate, and that in ca. 400 a "Classis Carpathia" was detached from the Syrian fleet and based at the Aegean island of Karpathos. [ Codex Theodosianus, XIII.5.32]
Major Roman ports were:
* Classis, near
Port of Mainz(Mogontiacum, river navy on the Rhine)
Caligula's Giant Ship
*cite book |title=In the name of Rome: The men who won the Roman Empire |last=Goldsworthy |first=Adrian |isbn=978-0-7538-1789-6 |year=2007 |publisher=Phoenix|chapter=A Roman Alexander: Pompey the Great
* cite book | first = Georg Alexander | last = Rost | title = Vom Seewesen und Seehandel in der Antike | publisher = John Benjamins Publishing Company| year = 1968 | isbn = 9060323610
* cite book | first = Gabriele | last = Wesch-Klein | title = Soziale Aspekte des römischen Heerwesens in der Kaiserzeit | publisher = Franz Steiner Verlag | year = 1998 | isbn = 3515073000
* [http://digilander.libero.it/agenziagiornalisti/ The Imperial fleet of Misenum]
* [http://www.classis-britannica.co.uk/sml/index.htm The Classis Britannica]
* [http://www.roman-empire.net/army/leg-fleet.html The Roman Fleet] , "Roman-Empire.net"
* " [http://www.romaeterna.org/galleria/index.html Galleria Navale] " on [http://www.romaeterna.org/navigare.html Navigare Necesse Est]
* " [http://www2.rgzm.de/navis/Musea/Ostia/Fiumicino_English.htm Port of Claudius] ", the museum of Roman merchant ships found in Fiumicino (Rome)
* " [http://nemiship.multiservers.com/ Diana Nemorensis] ", Caligula's ships in the lake of Nemi.
* [http://www2.rgzm.de/Navis/Themes/Flotte/FleetsAndBorder.htm "Römisch-Germanisches Zentralmuseum Mainz": The Fleets and Roman Border Policy]
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