Definition of the United States Marine Corps from the Oxford Advanced Learner's Dictionary


the United States Marine Corps

; NAmE
(also the United States Marines)
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a US armed service that is part of the Department of the Navy. It was established by Congress in 1798, and is now trained to fight at sea, on land and in the air. The Marines became well known during World War II when they successfully attacked the Pacific islands occupied by the Japanese. They were also active in the Korean War, the Vietnam War, the Gulf War and the wars in Iraq and Afghanistan.