MCO P1020.34 Marine Corps Uniform Regulations

Written by liz frazier
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MCO P1020.34 Marine Corps Uniform Regulations
The wear of Marine Corps uniforms is regulated by Marine Corps Order P1020.34. (Marine Corp Memorial image by dwight9592 from

Marine Corps Order (MCO) P1020.34G, "Marine Corps Uniform Regulations," outlines the proper wear and use of Marine Corps uniforms. Some of the uniforms covered in MCO P102.34G include the combat utility uniform, the physical training uniform, the service uniform, the dress blue uniform and the evening dress uniform.

Combat Utility Uniform

The Combat Utility Uniform (CUU) consists of trousers and a coat, which are worn with a T-shirt. The CUU comes in two patterns: woodland and desert. The coat may be removed during physical training sessions and work details. Marines may use the CUU in parade formations, ceremonies and informal social functions. When authorised by the installation commander, the CUU may be designated as the uniform of the day.

Physical Training Uniform

For the physical training (PT) uniform, Marines wear green trunks and a green T-shirt. Some commanders authorise the wearing of different T-shirts, such as a shirt that has the name or logo of their particular unit. Marines also have the option of wearing a green sweat suit, knit cap and/or gloves for cold weather PT formations. The sweat suit must be authorised by the unit commander.

Service Uniforms

The Marine Corps service uniform is worn when reporting for duty to a new unit or attending a parade or social function. It is the military equivalent of a business suit. The Service "A" uniform consists of a khaki long sleeve shirt, black necktie (necktab for females) and brown slacks with a brown service coat. The service "B" uniform is the same as "A" except the coat is not worn. The service "C" is the same as the service "A" except that the coat is worn and a khaki short sleeve shirt is worn instead of the long sleeve one. Females have the option of wearing a skirt with any of the three service uniforms.

Dress Blues

There are four different versions of the dress blue uniform. Types "A" and "B" consist of a blue waistcoat and blue trousers (skirts are optional for females). The only real difference between these two versions is that with the "A" dress blue uniform, full-size medals are worn and with the "B" dress blue uniform, only ribbons are worn. For the "C" and "D" dress blue uniforms, a short sleeve khaki shirt is worn in lieu of the blue coat. Again, with the "C" dress blue uniform, the Marine wears full-sized service medals. With the "D" service uniforms, the Marine only wears ribbons.

Evening Dress Uniforms

The evening dress uniform may only be worn at inaugural events and formal dinners. It is the military equivalent of "white tie" dress. Male Marines wear a coat with special trim on the sleeves and full-size medals. They also must wear a red cummerbund, and they have the option of wearing a blue cape with red lining. Females wear a coat similar to that of the males, except they have red lapels and they wear a full-length skirt. Females also wear full-size medals.

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