U.S. Air Force personnel assigned to the 721st Force Support Squadron prepare equipment within in a single pallet expeditionary kitchen assembled during Exercise Operation Varsity 19-04 at Ramstein Air Base, Germany, Dec. 11, 2019. They wore chemical, biological, radiological and nuclear protective training gear while assembling the kitchen to train in a simulated chemical-threat environment. (U.S. Air Force photo by Senior Airman Elizabeth Baker)