Capt. Brett Pierson, a pilot with the 340th Expeditionary Air Refueling Squadron at a non-disclosed base in Southwest Asia, refers to a computer tablet during preflight checks aboard a KC-135 Stratotanker aircraft bound for a refueling mission in Afghanistan, May 8, 2011, in support of Operation Enduring Freedom. Captain Pierson was deployed from the 349th Air Refueling Squadron at McConnell Air Force Base, Kan. (U.S. Air Force Photo/Master Sgt. William Greer)
Master Sgt. William Greer
Taken on 8 May 2011
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