ELLSWORTH AIR FORCE BASE, S.D. - Senior Airman Larry Hampp, 28th Civil Engineer Squadron heating, ventilation, air-conditioning and refrigeration journeyman, uses a hand-held saw to cut out pieces for a drop arm gate at Camp Lancer during a Phase II Operational Readiness Inspection, Oct. 14. Construction abilities are one the 28 CES Airmen key skills in a deployed environment. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)