Units under the control of the Joint Chiefs of Staff containing elements from all of the U. S. armed forces. They are normally commanded by a four star general or admiral and are given the title Commander-in-Chief.

Unauthorized Absence. The Marine equivalent of AWOL (Absent Without Leave).

The system of justice for the military services. It is a federal law enacted by Congress. It replaced the “Rocks and Shoals” system of justice practiced previously in the Naval service.

Uniform Code of Military Justice. When it was introduced in the 1940s to replace the “Rocks and Shoals” system of Naval justice, it was jokingly said to be a way to bring the guilty bastards in and give them a fair trial.

The five armed services (Army, Navy, Air Force, Marine Corps and Coast Guard), plus the commissioned corps of the U. S. Public Health Service and the U. S. Coast and Geodetic Survey.

1. Undesirable Discharge. Discharges between General and Bad Conduct Discharge. 2. Also, Uniform of the Day

The Field Medical Kit carried by Navy Hospital Corpsmen,

An alternate meaning for the acronym USMC.

An association of Marines and former Marines who were involved in the Public Affairs, Photographic or Motion Picture career fields or former Marines now working in journalism or public relations,

The U. S. Naval Academy (Canoe U) or more broadly, the U. S. Navy.

Unsatisfactory,

Refers to the victories in World War II, especially at Iwo Jima, the largest all-Marine battle in history. Admiral Nimitz’s ringing characterization of Marines fighting on Iwo Jima was applied to the entire Marine Corps in World War II: “Uncommon valor was a common virtue.”

(WWII to Vietnam) The Marine fighting and field uniform. During Vietnam, the Jungle Utilities (the Army called them fatigues) were introduced and eventually became “cammies” which replaced utilities

To remove the headgear. A Marine never wears headgear indoors unless under arms.

The field uniform of Marines prior to the adoption of cammies, it was an olive drab shirt and trousers with the khaki Marine belt and combat boots.

Equipped with a pistol, rifle or sword, an indication that the Marine is on duty. It is the only time that a Marine may remain covered indoors.

A term that identified the dress blue uniform worn with ribbons rather than medals. The term is not used anymore.

A Marine expletive similar to YGTBSM.