For all of you vulgar people it can also mean the abbreviation for Unified National Fine (as in thread of a mechanical device that has a spiral groove cut in it for holding and fastening things together, most times called a screw that has no connotations to vulgarity.
The U.S. Marine Corps is one of the four branches in the U.S. Department of Defense as a member of the Joint Chiefs of Staff. It is one of the seven uniformed services of the United States.The Marine Corps has been a component of the U.S. Department of the Navy since 1834, working closely with naval forces for training, transportation, and logistics.he Marine Corps has been a component of the U.S. Department of the Navy since 1834, working closely with naval forces for training, transportation, and logistics.
The United States Marine Corps (USMC) is a branch of the United States armed forces. Resolutions of the Continental Congress established the United States Marine Corps on November 10, 1775. The official mission of the U.S. Marine Corps was established in the National Security Act of 1947, amended in 1952.