How to prepare your Dress Blues for the Marine Corps Ball , Heres a quick tutorial on proper medal and ribbon placement, EGA orientation, button alignment, and final uniform preparation (IP) using DVIDS News Blue dress uniform represents Corps' history 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 PRISTINE WWII era USMC OFFICER'S Dress Blue BARRACKS COVER w EGA with Orig. Box!