m09 Navy On-Board Uniform

This is the uniform normally worn by most navy personnel while serving on a ship or naval installation. Classes A, B and C are worn only on more special occasions (shirt and tie).
The duty uniform is basically NCU trousers with a light and durable collar shirt. Full NCU is worn when in colder environments, planetside or on armed combat duty.
This uniform is the regulation uniform while on patrol and active service. The uniform is light and comfortable, and is suited for most mundane situations on a ship. A sweater can be worn over the shirt and the navy cap is usually worn when using this uniform
Rank is indicated by shoulder slips and branch is indicated by a combination of the shoulder slips and universal service patches on the left sleeve. The large velcro patch/pocket serves as a mount for ship/station patches.

Work uniform is worn when maintaining equipment or conducting interior repairs.