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.
This is a really good question because the dates can be in dispute. Some colonies had formed Marine units before this date. The Continental Congress took charge of all military forces on Lake Champlain on June 10, 1775 and there were Marine units among them. Washington had formed a fleet of four ships before the Navy was established. Until 1921, the Marine Corps birthday was celebrated on July 11. This date was from 1798 when Congress established the permanent United States Marine Corps. The Marine Corps was the first to be implemented and thus their claim to be the oldest service.