- The A-10 Thunderbolt II , also known as the "Warthog" or "Hog", is a single-seat, twin-turbofan, straight-wing attack aircraft developed by Fairchild Republic for the United States Air Force in 1976 - The A-10's official name comes from the Republic P-47 Thunderbolt, a World War II fighter - The A-10 is a specialized CAS aircraft that is designed for close air support of ground forces ... it has a large combat radius, long loiter time over the battlefield, and a heavy, diverse weapons load - Based at Davis-Monthan Air Force Base in Tucson, Warthogs were a common site in the sky over southern Arizona for 50 years or so - The A-10 is being "retired" in 2026 ... last flight from DM was on July 29, 2026