Marine Corps Men's Officer Premium Dress Blue Wool Uniform Coat Nate Woodard Uniforms 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 Marines adopt new uniform rules for cammies, dress blues USMC MALE OFFICER SERVICE UNIFORM ("A," "B," AND "C") Moments in Time USMC Uniforms of the Pacific War