***SOLD*** Original full sized United States (Army, Navy/USMC & Air Force) Department of the Secretary of Defense Staff Officer’s breast badge. This very special badge is awarded to US Defence Force Officer’s who are permanently assigned to the US Secretary of Defense Department. The badge is worn on the service uniform (see pictures below), and measures 50mm in diameter and is US Government maker mark of V-21 N is stamped to reverse, which is an officially licensed maker of this badge. The rear of the badge has a three-pronged attachment with clutch back plugs.