Air Force Service Cap Devices - Officer and Enlisted Full Size Neither badge may be worn

Neither badge may be worn on the Undress Blue or Working Blue uniform

but is retroactive to December 6

United States Coast Guard Port Security Insignia

United States Coast Guard Miniature Senior Enlisted Advisor Identification Badge

First Class

Air Force Service Cap Devices - Officer and Enlisted Full Size Neither badge may be wornUnited States Air Force Service Cap Device Criteria: For United States Air Force service caps, a large, silver eagle device is worn. For enlisted men, a smaller version of the officer's insignia is worn enclosed in a ring. The cap device is similar to that worn by soldiers as the U. S. Air Force was once part of the U. S. Army.