LACKLAND AIR FORCE BASE, Texas—Maj. Sam McCallie checks the switches on a control panel in the cockpit of a KC-135 Stratotanker parked on the Kelly Field ramp at the Boeing Aerospace Support Center here. Major McCallie is chief of standardization and evaluation for the 313th Flight Test Flight. (U.S. Air Force photo by Robbin Cresswell)
Added On | 14th September 2015 |
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