WW2 US USAAF 9th Air Force Shoulder Patch SSI Shoulder Sleeve Insignia

The WW2 US USAAF 9th Air Force Shoulder Patch, also known as the Shoulder Sleeve Insignia (SSI), is a historically significant emblem worn by members of the United States Army Air Forces during World War II. This insignia represents the 9th Air Force, a key tactical unit that played a vital role in various European and North African campaigns. The patch typically features a blue disc with a central white star and a red circle, overlaid with a gold numeral “9” symbolizing the unit. The distinct design not only served as a functional identifier but also embodied the bravery and dedication of the aircrews and support personnel who contributed to the Allied victory. Collectors and history enthusiasts highly value this patch for its rich heritage and the profound contributions of the 9th Air Force to the overall success of the USAAF during the war.