Maintainers conduct pre-flight checks on an F-16 Fighting Falcon during the Red Flag 13-2 aerial combat training exercise at Nellis AFB, Nev., Jan. 22, 2013. In the air in the background is an A-10 Thunderbolt II. )
Maintainers conduct pre-flight checks on an F-16 Fighting Falcon during the Red Flag 13-2 aerial combat training exercise at Nellis AFB, Nev., Jan. 22, 2013. In the air in the background is an A-10 Thunderbolt II. )
