Mustang 1 Fini Flight Published June 5, 2025 By Staff Sgt. Dustin Braaten 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- Col. William McKibban, 51st Fighter Wing commander, flew his fini flight in the A-10 Thunderbolt II as the aircraft prepares to retire from service at Osan Air Base, Republic of Korea, June 2, 2025.