Air Force Airman 1st Class Ryan Celestino, 909th Aircraft Maintenance Unit instrument and flight control systems journeyman, turns on a TTU-205J test set to perform pitot-static tests for the KC-135R March 15, 2017, at Kadena Air Base, Japan. Pito-static tests allows maintainers to simulate diagnostic readings for jets in the air on the ground. ( Air Force photo by Senior Airman Omari Bernard)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: air, bernard, force, japan, kadena, okinawa, omari, states, united, usaf