**Action of 28 January 1945** — Part of the Second World War … Wikipedia

**Action in the Gulf of Sidra (1986)** — A VMFA 314 F/A 18A lands on USS Coral Sea (CV 43). Date March, 1986 … Wikipedia

**Surface of general type** — In algebraic geometry, a surface of general type is an algebraic surface with Kodaira dimension 2.These are all algebraic, and in some sense most surfaces are in this class. ClassificationGieseker showed that there is a coarse moduli scheme for… … Wikipedia

**Group ring** — This page discusses the algebraic group ring of a discrete group; for the case of a topological group see group algebra, and for a general group see Group Hopf algebra. In algebra, a group ring is a free module and at the same time a ring,… … Wikipedia

**Group C nerve fiber** — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption = C fiber not labeled, but substantia gelatinosa of Rolando is Rexed lamina II, labeled at upper left. Caption2 = Precursor = System = Artery = Vein = Nerve = Lymph =… … Wikipedia

**Battleship battle group** — A battleship battle group was a formation used by the United States Navy, after the recommissioning of the Iowa class battleships. The BBBG was similar to a carrier battle group, except for the fact that a battleship, rather than an aircraft… … Wikipedia

**Expeditionary Strike Group** — The Expeditionary Strike Group (ESG), also known as an Expeditionary Strike Force , is a military concept which was introduced in the U.S. military in the early 1990s and is based on the Naval Expeditionary Task Force. The ESG concept allows the… … Wikipedia

**Expeditionary Strike Group Three** — Infobox Military Unit unit name= Expeditionary Strike Group Three caption= ESG Three Logo dates= 2003 country=United States allegiance= branch=United States Navy type= role= expeditionary striking power in the maritime, littoral, and inland… … Wikipedia

**Mathieu group** — Group theory Group theory … Wikipedia

**Mapping class group** — In mathematics, in the sub field of geometric topology, the mapping class group is an important algebraic invariant of a topological space. Briefly, the mapping class group is a discrete group of symmetries of the space. Contents 1 Motivation 2… … Wikipedia