A crew chief from the 169th Fighter Wing, McEntire Joint National Guard Base, S.C., conducts a maintenance check on an F-16 Fighting Falcon Jan. 26, 2016, during exercise Red Flag 16-1 at Nellis Air Force Base, Nev. Red Flag prepares maintenance personnel, ground controllers and space and cyber operators to support realistic combat-like situations within the same tactical environment. (U.S. Air Force photo by Master Sgt. Burt Traynor/Released)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/85045231@N04">S.C. Air National Guard</a>
2016-02-04 09:57
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/thescang/24809933281/">160126-F-JR513-007</a>