Senior Airman Christopher Martinez, 8th Expeditionary Air Mobility Squadron crew chief, prepares a liquid oxygen tank prior to recharging a C-17 Globemaster III Sept. 3, 2016, at Al Udeid Air Base, Qatar. Martinez works with liquid oxygen that is recharged into an aircraft to provide pure oxygen to aircrews during missions. Martinez joined the Air Force to follow his father’s footsteps and continue his family’s military legacy. (U.S. Air Force photo/Senior Airman Janelle Patiño/Released)
<br>Unit: 379th Air Expeditionary Wing
Senior Airman Janelle Patiño
Taken on 2 September 2016
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