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""
Culture of the United States Marine Corps is most visible by the public through public affairs organs and several presentation units. Dedication to proficiency in drill is a hallmark of the Silent Drill Platoon, Marine Band, and the Drum and Bugle Corps. In addition, the Corps released periodic recruiting commercials, often about one annually. The traditional tagline for the commercials is "The Few, The Proud, The Marines." While Marines do not have installations across the United States (unlike the Army and Air Force, Marine installations are concentrated in California, North Carolina, and the national capitol region), the direct link for most Americans to the Corps is the