Air Force Airman 1st Class Dallas Galvan, an aircrew flight equipment technician with the 379th Expeditionary Operational Support Squadron, buckles the MBU-20/P mask into the HGU-55/P helmet at Al Udeid Air Base, Qatar, May 16, 2017. Galvan is preforming an inspection that checks the working order of the microphone, head set and oxygen is flowing by plugging the MBU-20/P mask into a tester that simulates aircraft functions and air pressure. ( Air Force photo by Tech. Sgt. Amy M. Lovgren)

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Size: 2550px × 3300px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 379th, aew, afcent, air, aircrew, al, auab, base, centcom, eoss/osl, equipment, expeditionary, flight, grand, inherent, operation, qatar, resolve, slam, technician, udeid, wing