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""
Sergeant Major of the Marine Corps 1899 five Marines held the rank of sergeant major. This continued until 1946, when the rank was abolished, only to be re-introduced in 1954 as part of the Marine Corps rank structure. The post of Sergeant Major of the Marine Corps was established in 1957 from the order of Assistant Chief of Staff for Personnel at Headquarters Marine Corps, Brigadier general James P. Berkeley, as the Senior Enlisted Advisor to the Commandant of the Marine Corps, the first such post in any of the five branches of the United States Armed Forces. In 1970, the rank insignia of the Sergeant