POL: Pumping the “life blood” of fuel to Air Operations
U.S. Air Force Staff Sgt. Kennie Delmo, left, a cryogenics supervisor and Senior Airman Samuel Fallot, a cryogenics journeyman with the 379th Expeditionary Logistics Readiness Squadron, Fuels Management Flight, wait for the pounds per square inch levels to increase on the cryogenic sampler at Al Udeid Air Base, Qatar, Aug. 9, 2017. Delmo and Fallot prepared a cryogenic sampler with liquid oxygen so that it may be transported to the lab for quality- testing before it is sent to other locations throughout the U.S. Air Forces Central Command area of responsibility. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)