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.
With the raising of two battalions by the Continental Congress, the United States Marine Corps came into existence on November 10th, 1775. Throughout its long history, the USMC has distinguished itself in part with distinct uniforms. The earliest Marine Corps uniforms were made from green broadcloth. Some accounts argue that green was used because Marines were rifleman, a practice used in European armies. However, the Marines of the late 1700's were not rifleman, but musketeers.