Marines adopt new uniform rules for cammies, dress blues USMC FEMALE ENLISTED BLUE DRESS UNIFORM ("A" AND B") Did you know? The Marine Corps' Dress Blues is the only uniform in the U.S. military designated to include the red, white, and blue colors of the American flag. This distinctive uniform USMC Uniform Guide United States Marine Corps Officer in Blue Dress "A" Uniform including medals ribbons white gloves, barracks cover ( hat ) sword Stock Photo Alamy