A Air Force C-17 Globemaster III pilot, assigned to the 816th Expeditionary Airlift Squadron, performs a pre-flight inspection at Al Udeid Airbase, Qatar, Jan. 25, 2018. The purpose of a pre-flight inspection is to ensure the aircraft and all of its various systems are in good working order to fly and carry out its mission. ( Air Force

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Size: 1732px × 1155px
Photo credit: © PR Archive / Alamy / Afripics
License: Licensed
Model Released: No

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