U.S. Air Force Master Sgt. Patrick O'Carroll and Afghan air force flight engineers go over calculations after an aircrew briefing July 16, 2012 at Kandahar Air Base, Afghanistan. O'Carroll is an Mi-17 flight engineer evaluator deployed to the 441st Air Expeditionary Advisor Squadron and assigned to the 66th Rescue Squadron, Nellis Air Force Base, Nev.
Staff Sgt. Quinton Russ
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/630918">https://www.dvidshub.net/image/630918</a>