Col. Christopher Niemi, 33rd Operations Group commander, puts on his helmet before taking off for his final flight in the F-35A Lighting II at Eglin Air Force Base, Fla., Feb. 18, 2016. Niemi was stationed at the 33rd Fighter Wing for nearly two years to lead the initial cadre of students through the transition to the F-35A program. ( Air Force Photo/Senior Airman Andrea Posey)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: -35