 The Marine Corps is the only branch of the United States military which regularly allows NCOs to carry a sword.For enlisted Marines, they earn the right to carry the NCO sword and wear the scarlet blood stripe on their blue trousers when they achieve the rank of Corporal.Members of the United States Marine Corps Band, and the United States Marine Drum and Bugle Corps are authorized different dress uniforms, known as Red-Dress (a scarlet blouse with a blue trim).