A KC-135 Stratotanker aircraft sits on the flight line at MacDill Air Force Base, Fla., while Airmen in the Block 45 course prepare for training aboard the aircraft, August 9, 2017. This class offers avionics technicians a chance to get hands-on experience with the Block 45 program that is replacing old analog systems on the KC-135 Stratotankers. ( Air Force photo by Airman 1st Class Ashley Perdue)

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Size: 6016px × 4016px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 6th, air, mobility, wing