A Marine inspects Marines in their dress blue delta uniforms. PICRYL Public Domain Media Search Engine Public Domain Search Marines want to wear dress uniform for graduation, school said no Dress Blue Deltas is the first Marine Corps uniform most applicants ever seethe one worn by the recruiter who shook their hands and changed their lives . Dress Blue Deltas feature the USMC MALE OFFICER BLUE DRESS BLUE WHITE DRESS UNIFORM ("A" AND "B")