Terry Yonkers (right) and Timothy Bridges get a close up look at a new cutting-edge technology in Johnstown, Pa. April 4, 2012, that’s expected to reduce pollution and the exposure of Airmen to hazardous compounds. Yokers is the Assistant Secretary of the Air Force for Installations, Environment and Logistics, and Bridges is the Deputy Assistant Secretary of the Air Force for the Environment, Safety and Occupational Health. (U.S. Air Force photo/Lt. Col. David Pugh)