Official websites use .mil
Secure .mil websites use HTTPS
U.S. Air Force F-16 Fighting Falcons assigned to the 18th Aggressor Squadron, Eielson Air Force Base, Alaska, sit on the flightline in support of Valiant Shield 2020 at Andersen AFB, Guam, Sept. 11, 2020. Valiant Shield is a U.S. only, biennial field training exercise (FTX) with a focus on integration of joint training in a blue-water environment among U.S. forces. This training enables real-world proficiency in sustaining joint forces through detecting, locating, tracking, and engaging units at sea, in the air, on land, and in cyberspace in response to a range of mission areas.