United States Marine Corps served as a convenient resource for interventions and landings to protect American interests overseas. The Corps was involved in over 28 separate interventions in the 30 years from the end of the American Civil War to the end of 19th century. They would be called upon to stem political and labor unrest within the United States. Under Commandant Jacob Zeilin's tenure, Marine customs and traditions took shape: the Corps adopted the Marine Corps emblem on 19 November 1868. It was during this time that "The Marines' Hymn" was first heard. Around 1883, the Marines adopted their current motto ""Semper Fidelis""
National Museum of the Marine Corps National Museum of the Marine Corps The National Museum of the Marine Corps is the historical museum of the United States Marine Corps. Located in Triangle, Virginia near MCB Quantico, the museum opened on November 10, 2006, and is now one of the top tourist attractions in the state, drawing over 500,000 people annually. In July 2013, the museum announced plans for a major expansion, to include sections on more modern Marine Corps history, such as the 1983 Beirut barracks bombing, a combat art gallery, and a war on terror gallery. The museum replaces both the Marine Corps Historical Center