Staff Sgt. Nathan Knight, 455th Expeditionary Logistics Readiness Squadron cryogenics supervisor, unhooks a liquid oxygen tank hose, Bagram Airfield, Afghanistan, Sept. 14, 2016. The 455th ELRS received 400-gallon liquid oxygen tanks from the 379th ELRS at Al Udeid Air Base, Qatar, which ships liquid oxygen and liquid hydrogen daily to other bases throughout the U.S. Air Forces Central Command’s area of responsibility. The oxygen goes through a series of tests before being used in aircraft. Senior Airman Justyn M. Freeman)
Contributor:PJF Military Collection / Alamy Stock Photo
File size:7.1 MB (135.7 KB Compressed download)
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Dimensions:1870 x 1336 px | 31.7 x 22.6 cm | 12.5 x 8.9 inches | 150dpi
Date taken:14 September 2016
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