Christopher Williams, an electrician with the 1st Special Operations Aircraft Maintenance Squadron, gives a team mate a thumbs up at Eglin Air Force Base, March 21, 2017. The AC-130J Ghostrider gunship underwent it's first cold soak, a test done to examine the aircraft's ability to function in frigid conditions. The gunship was brought to zero-degree temperatures. ( Air Force photo by Airman 1st Class Dennis Spain)

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