Staff Sgt. Robert Lysholm, 341st Civil Engineer Squadron fire protection crew chief, explains how to use hydraulic spreaders to Marine Corps Sgt. Maj. Bryan B. Battaglia, the senior enlisted advisor to the chairman of the Joint Chiefs of Staff, during a tour of the base fire department Jan. 16. Malmstrom’s firefighters use hydraulic spreaders to push two heavy objects apart. (U.S. Air Force photo/Senior Airman Katrina Heikkinen)