These US Air Force patches are a must-have for any collector. The pair of Technical Sergeant Rank Insignia Stripes ABU Patches are a great purchase for those who appreciate militaria. If you're into military history, this set of patches featuring the Air Force emblem is a perfect addition to any collection. The insignia stripes are designed for United States Air Force Technical Sergeants. For those who are not part of the military, these patches are a great demonstration of patriotism and respect for the men and women who serve our country. The USAF collectibles are a symbol of national pride and will make a great addition to your collection.