Official websites use .mil
Secure .mil websites use HTTPS
U.S. Marine Corps service members perform preflight checks on an F-35B Lightning II during RED FLAG-Alaska 26-1 at Eielson Air Force Base, Alaska, April 27, 2026. In addition to aircrew, RF-A 26-1 provides training for deployed maintenance and support personnel in sustainment of large-force deployed air operations. (U.S. Air Force photo by Tech. Sgt. Mikaley Kline)