250226-F-DR389-1172

Staff Sgt. James Sullivan, a 726th Air Mobility Squadron C-17A Globemaster III crew chief, ensures a valve is closed on a liquid oxygen servicing cart prior to repositioning it next to a C-17A Globemaster III. on Ramstein Air Base, Germany, Feb. 26, 2025. Liquid oxygen is an extremely cold substance, boiling at -297 degrees Fahrenheit, and must be handled with extreme care. Liquid oxygen has many applications onboard aircraft such as breathing oxygen for aircrew and passengers in emergency situations, High Altitude Low Opening operations, and Aeromedical Evacuation purposes. (U.S. Air Force photo by Staff Sgt. Joshua T. Crossman)

PHOTO BY: Staff Sgt. Joshua T. Crossman

VIRIN: 250226-F-DR389-1172.JPG

FULL SIZE: 0.72 MB

Additional Details

CAMERA

NIKON Z 7

LENS

NIKKOR Z 24-70mm f/2.8 S

APERTURE

45/10

SHUTTERSPEED

1/160

ISO

200

IMAGE IS PUBLIC DOMAIN

This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

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