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""
Hispanics in the United States Marine Corps Hernández (USMC, Retired) entered the Marine Corps in 1973 as an infantry officer and served thirty-one years on active duty which included combat in Somalia, El Salvador and Bosnia. The past 20 years have witnessed dramatic increases in the percentage of Latinos (of both sexes) among active duty enlisted personnel. Nearly 15 percent of U.S. Marine Corps enlisted personnel were Hispanic. The various recruitment efforts do have critics, both within and outside the Hispanic community, particularly during this time of war and a growing number of reported Hispanic casualties. In the military campaigns of Afghanistan and Iraq, in what the