Stratotanker Safety An Air Force boom operator checks the seal of an emergency exit on a KC-135 Stratotanker aircraft at Kandahar Airfield, Afghanistan, May 14, 2019. SHARE: Download: Full Size (3.47 MB) Tags: Air Force Credit: Air Force Staff Sgt. Chris Drzazgowski VIRIN: 190514-F-OF524-075C.JPG Photo Gallery