CES Airman maps base 'hot spots'
Master Sgt. Joseph Hudson, 374th Civil Engineer Squadron infrastructure superintendent, uses an infrared camera March 17 to detect leaks in the heat distribution system at Yokota Air Base, Japan. Pilots from the 459th Airlift Squadron flew Sergeant Hudson on six missions aboard UH-1N helicopters to take video of the entire distribution system. (U.S. Air Force photo/Airman Sean Martin)