Marines adopt new uniform rules for cammies, dress blues These personnel from Company H, 2nd Headquarter Battalion, wear the various regulation uniforms. From left to right, the winter service uniform worn by an M.P., the summer dress uniform, the winter service USMC MALE OFFICER SERVICE UNIFORM ("A," "B," AND "C") Uniforms Changes to the Marine Corps uniform policy have been NARA & DVIDS Public Domain Archive Public Domain Search Exploring the Marine Corps Boat Cloak