Air Force Senior Ashviel Cruz Aponte, 74th Expeditionary Fighter Squadron crew chief, services the liquid oxygen system on an A-10 Thunderbolt II attack aircraft at Amari Air Base, Estonia, Oct. 5, 2015. With a boiling point of -297 degrees Fahrenheit, crew chiefs must wear proper personal protective equipment when while working near liquid oxygen to ensure their safety. ( Air Force photo by Andrea Jenkins/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 74, airmen, atlantic, efs, europe, moody, oar, operation, package, resolve, security, theater, thunder, tsp