After Years of Trying, Air Force Retires First A-10 to the Boneyard April 14, 2023 | By Chris Gordon The Air Force has begun to retire its A-10 Thunderbolt IIs. An A-10 from the 74th Fighter Squadron at Moody Air Force Base, Ga, arrived at the Boneyard on April 5, the service said. The aircraft is the first of 21 A-10s that will be ...