AAC - 1st Air Force Crewneck Sweatshirt

May 1942, the mission of First Air Force became operational training of units and crews, and the replacement training of individuals for bombardment, fighter, and reconnaissance operations. It received graduates of Army Air Forces Training Command flight schools; navigator training; flexible gunnery schools and various technical schools, organized them into newly activated combat groups and squadrons, and provided operational unit training (OTU) and replacement training (RTU) to prepare groups and replacements for deployment overseas to combat theaters. The First Air Force became predominantly a fighter OTU and RTU organization. Most P-47 Thunderbolt fighter groups were trained by I Fighter Command, along with P-39/P-63 Airacobra groups;