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A U.S. Airman from the 451st Expeditionary Aircraft Maintenance Squadron performs maintenance on a KC-135 Stratotanker engine at Kandahar Airfield, Afghanistan, April 4, 2019.
The KC-135s deployed to Kandahar provide aerial refueling capabilities, significantly increasing range and reach of various military aircraft in the U.S. Central Command area of responsibility. (U.S. Air Force photo by Capt. Anna-Marie Wyant) Original public domain image from Flickr
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