Lieutenant of Marines. (see Mameluke Sword)

A series of physical barriers over which a Marine must cross in a race against time. (see Confidence Course)

The civilian community outside the main gate of Camp Pendleton, CA.

Officer Candidates School.

Olive drab. Official color of utility and fatigue uniforms worn prior to the introduction of BDUs or cammies. (background) The term was replaced by Sage Green and then simply Green.

A non-judicial hearing for minor offenses at which NJP (non-judicial punnishment) may be issued by a commanding officer.

An office clerk. see Remington Raider.)

General use refers to commissioned officers and warrant officers. Non-commissioned officers are also officers but are generally referred to as NCOs or specific rank.

A training program for motivated college graduates who have been screened by the Marine Corps for the qualities necessary to become a leader of Marines. Upon graduation, they are commissioned Second Lieutenant of Marines. The selection process begins with the Recruiting Command’s Officer Selection Officer.

The area aboard ship where the commissioned officer living compartments are located. Off limits to all enlisted personnel unless on official duty.

(see “0 Dark Thirty”)

Officer in Charge. A commissioned or warrant officer placed in charge of a group of Marines or a project. This person is not a commander and does not have the UCMJ authority vested in a commander.

Operation Iraqi Freedom. Sometimes called the Second Gulf War.

Operation Iraqi Freedom II. The Iraqi War after the “mission accomplished” announcement of the “end of major hostilities.”

Okinawa. An island south of Japan owned by the U. S. Government until the 1970s when it was turned over to Japan. Still a major Marine Corps installation, it was used during Vietnam as a staging point for troops going into and out of Vietnam.

(see Goat Locker.)

Stale or unchanged information. Information that is already known.

Usually refers to a ship being at its assigned position on the ocean. Also sometimes used to mean on duty.

The motto of the Marine Corps League.

1. a newbie or green troop. (background) Refers to the pitiful cueball-ish hair cut that new recruits get during basic training.

A Vietnam-era fighting vehicle that looked like a small tank with six externally mounted 105mm recoilless rifles attached. Ammunition and a loader were carried inside but he had to get out to load the tubes. When all six rifles were fired, at the same time the Ontos would stand up on its hind section. (origin) The word is reportedly Greek for “thing”.

A sound made by a Marine to indicate agreement or to provide encouragement.

Observation Post.

Military term used for a routine urinalysis test.

Operational Tempo; how frequently a unit deploys or goes to the field.

Awarded for crossing the International Date Line. (see Line Crossing Ceremony.)

The highest ranking enlisted rank in the Marine Corps during the Civil War. Most of the ships’ Marine Detachments were commanded by Orderly Sergeants. Not presently in use.

1. The name of the dummy used for man overboard drills. Also, the flag that is hoisted when there is a man overboard. 2. The flag for the letter O.

Officer Selection Officer.

(Commtalk) “I am signing off. Do not reply.” Thus, “over and out” is a contradiction.

A Marine expletive meaning very good.

(Commtalk) “I am finished talking, it”s your turn to talk.”

(Commtalk)Does not exist–an oxymoron. Similar to saying “I am signing off, do not reply, it”s your turn to talk.”

Unauthorized absence.

Naval term for ceiling.

Twelfth Sergeant Major of the Marine Corps serving from June 28, 1991 until June 29, 1995. He was born in December of 1944 in Houston, TX.