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""
Flag of the United States Marine Corps perched on a shield of the United States and a half-wreath beneath the shield, with 29 stars encircling the entire design. Beginning in 1876, Marines carried the national colors (the Stars and Stripes) with "U.S. Marine Corps" embroidered in yellow on the middle red stripe. At the time of the Vera Cruz landing in 1914, a more distinctive standard was carried by Marines. The design consisted of a blue field with a laurel wreath encircling the Marine Corps emblem in the center. A scarlet ribbon above the emblem carried the words "U.S. Marine Corps," while another scarlet ribbon below the