Uniform Guide Enterprise Division Delta Air Lines Reaffirms Its Strict Attire Ban For Flight Attendants: How It Differs From The Passenger Dress Code Delta's Strict New Rules for Flight Attendants Include Underwear Requirements 107.5 Kool FM 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 Uniforms of the Marine Corps Blue Dress "D" USMC Uniform Guide