Senior Airman Adrian Gonzalez, a crew chief with the 1st Special Operations Aircraft Maintenance Squadron, looks at a step-by-step checklist at Eglin Air Force Base, March 21, 2017. This checklist was used to bring power to the AC-130J Ghostrider gunship while it underwent it's first cold soak, a test done to examine the aircrafts operational competence in arctic temperatures.

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Size: 1824px × 1097px
Photo credit: © Chuck Little / Alamy / Afripics
License: Licensed
Model Released: No

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