Check the listing for details. US Air Force AIR Training Command MASTER Instructor Subdued Patch 3” Vintage. Condition: Used, Made in United States. Listed at 3.00 USD. This vintage US Air Force AIR Training Command MASTER Instructor Subdued Patch measures 3 inches and is a must-have for collectors of militaria. Featuring the Air Force theme and specifically designed for Air Force members who served as instructors, this original patch is a unique addition to any collection. Made for those who have a passion for military history, this patch represents the dedication of the US Air Force to training their personnel to the highest standard. With a subdued design that is perfect for displaying on uniforms or framing, this patch is a great way to show off your pride in the Air Force and their commitment to excellence. Add this rare patch to your collection today!