Home / United States / World War II / Cloth Insignia / WWII US Army Air Corps Technical Training Command Pocket Patch on Wool WWII US Army Air Corps Technical Training Command Pocket Patch on Wool$25.00 Excellent condition, 3-1/8″ X 3-3/4″, does not fluoresce when exposed to a black light. WWII US Army Air Corps Technical Training Command Pocket Patch on Wool quantity Add to cart Item Number: 56442 Category: Cloth Insignia