Impurity check

Tech. Sgt. Leren Curry,403rd Logistics Readiness Squadron, holds a sample of liquid oxygen taken from a LOX cart during a training module Apr. 14. Curry took the sample in order to check for impurities within the liquid oxygen. The 403rd LRS and 41st Aerial Port Squadron shared job knowledge with Naval Expeditionary Logistics Regiment 4 battalions as part of a joint training exercise Apr. 12-17 at Keesler Air Force Base, Miss. (U.S. Air Force photo by Maj. Heather Newcomb)