Senior Airman Ralph Eickholt, 779th Aerospace Medical Squadron bioenvironmental engineer, helps fellow 779 AMDS bioenvironmental engineer, Senior Airman Doug Rish, take off his Level A hazardous material suit during a HAZMAT exercise Feb 1, 2010, at Joint Base Andrews, Md. (U.S. Air Force photo by Airman 1st Class Perry Aston)