ELLSWORTH AIR FORCE BASE, S.D. -- (Left to right) Staff Sgt. Damian Rennells, 28th Logistics Readiness Squadron mobile hydrant supervisor and Airman 1st Class Dave Jack, 28th Civil Engineer Squadron emergency management apprentice, construct decontamination racks in preparation, Feb. 24, for the upcoming Phase II Operational Readiness Exercise. The Phase II ORE will test Airmen across the base on their readiness in a deployed environment. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)