U.S. Air Force Staff Sgt. Jonathan Hill calculates weight and balance for an Mi-17 helicopter during a flight briefing, Sept. 29, 2012, at Kabul International Airport, Afghanistan. Hill is a flight engineer deployed to the 438th Air Expeditionary Advisor Squadron and assigned to the 36th Rescue Flight, Fairchild AFB, Wash. (U.S. Air Force photo/Tech. Sgt. Quinton Russ/RELEASED)
Tech. Sgt. Quinton Russ
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