Master Sgt. Jason Stoos, 185 Air Refueling Wing boom operator with the Iowa Air National Guard in Sioux City, Iowa is on his stomach in the BOSS on January 2, 2020. The BOSS or Boom Operator Simulation System is a training device that provides KC-135 boom operator training. Air National Guard photo by Senior Master Sgt. Vincent De Groot

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Size: 1935px × 1291px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

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