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""
Organization of the United States Marine Corps early stages of Operation Enduring Freedom while other special warfare units led the way. After a three-year development period, the Marine Corps agreed in 2006 to supply a 2,700-strong unit, Marine Forces Special Operations Command (MARSOC), which would answer directly to USSOCOM. The Marine Special Operations Command is the Marine Corps's special operations component that reports to United States Special Operations Command (USSOCOM). Currently, MARSOC trains, organizes, equips and, when directed by the Commander, USSOCOM, deploys task organized, scalable, and responsive U.S. Marine Corps special operations forces worldwide in support of combatant commanders and other agencies. The MSOAG, formerly the