Senior Airman John Justiniano opens a valve to control the amount of liquid oxygen filling a cart at the 379th Air Expeditionary Wing in Southwest Asia, Oct. 1, 2013. Justiniano is a 379th Expeditionary Logistics Readiness Squadron cryogenics technician deployed from Joint Base Langley-Eustis, Va., and hails from Bronx, N.Y. (U.S. Air Force photo/Senior Airman Bahja J. Jones)