<p>U.S. Air Force Lt. Col. Christopher Rachel, a fighter pilot with the 157th Fighter Squadron at McEntire Joint National Guard Base, S.C., and crew chief Tech. Sgt. Joshua Velders with the 169th Aircraft Maintenance Squadron, prepare to launch an F-16 Block 52 fighter jet for a training mission during a Phase II Operational Readiness Exercise, Feb. 09, 2013. The 169th Fighter Wing is training for an upcoming Operational Readiness Inspection later this year, which evaluates a unit’s ability to operate and launch missions in a chemical combat environment.
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(National Guard photo by Tech. Sgt. Caycee Watson/Released)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/85045231@N04">S.C. Air National Guard</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/thescang/8473406437/">Phase II Operational Readiness Exercise</a>