CAMP LEJEUNE, N.C. -- The "Arm of Decision," also known as 10th Marine Regiment, originated with the activation of Artillery Battalion, 1st Advanced Base Brigade April 25, 1914. The unit, which first saw action at Veracruz, Mexico, came about when a plan for a Marine artillery regiment to man naval guns was needed in support of a Marine Division.After hostilities increased during World War I, the battalion was redesignated 10th Regiment.Following World War I, the Regiment was reorganized several times and July 10, 1930, 10th Regiment was renamed 10th Marines.Prior to World War II, 10th Marines took part in training exercises in the Caribbean and Pacific only to be led into some of the heaviest fighting of the Second World War to include battles at Guadalcanal, Saipan and Okinawa.Concluding the end of the war, 10th Marines relocated to Nagasaki during the occupation of Japan and soon reached their current home of Camp Lejeune, in 1946.Some more recent major conflicts the Regiment has encountered include involvement in the Cuban Missile crisis in 1962. During the 1970s and 1980s 10th Marines participated in peacekeeping duties of the Multi-national Peacekeeping Force in Beirut, Lebanon and also helped the Battalion Landing Team in Grenada during Operation Urgent Fury in 1983.The beginning of the 1990s presented a fast-paced operational tempo for 10th Marines beginning with the Persian Gulf conflict, also known as Operation Desert Storm, followed by relief efforts in Florida after Hurricane Andrew left thousands homeless.During 1997, 10th Marines served in Operation Joint Endeavor providing peacekeeping help in the former Yugoslavia.In keeping with tradition of artillery units worldwide, 10th Marines recognizes the patron saint of artillery, St. Barbara. The patron saint was first recognized by the French in 1417 and is said to provide them protection from the backfire or explosions of their artillery weapons. The Commanding Officer of 10th Marine Regiment is Col. Henry T. Gobar.