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Senior Airman Anthony Woodruff, electrical and environmental systems specialist for the 380th Expeditionary Aircraft Maintenance Squadron, massages a battery cell after adding acid to it, Oct. 14, 2011. This process is used to saturate the pads inside the cell. Woodruff is one member of a four-person shop dedicated to working on the U-2 battery while deployed. He is deployed from Beale Air Force Base, Calif., and is from Redding, Calif. (U.S. Air Force photo/Master Sgt. Chance Babin)
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