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Staff Sgt. Nathan Knight, 455th Expeditionary Logistics Readiness Squadron cryogenics supervisor, opens a valve on a 400-gallon liquid oxygen tank, Bagram Airfield, Afghanistan, Sept. 14, 2016. Cryogenics Airmen work with liquid nitrogen and liquid oxygen that is stored into aircraft, providing aircrews with pure oxygen at altitude during missions in support of Operation Freedom’s Sentinel. Senior Airman Justyn M. Freeman)

Staff Sgt. Nathan Knight, 455th Expeditionary Logistics Readiness Squadron cryogenics supervisor, opens a valve on a 400-gallon liquid oxygen tank, Bagram Airfield, Afghanistan, Sept. 14, 2016. Cryogenics Airmen work with liquid nitrogen and liquid oxygen that is stored into aircraft, providing aircrews with pure oxygen at altitude during missions in support of Operation Freedom’s Sentinel.  Senior Airman Justyn M. Freeman) Stock Photo
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Image details

Contributor:

PJF Military Collection / Alamy Stock Photo

Image ID:

HE94YR

File size:

7.1 MB (174.3 KB Compressed download)

Releases:

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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

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

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