CBRNE
Staff Sgt. Mikel Rogers (right), 51st Civil Engineer Squadron Emergency Management journeyman, monitors Senior Airman Angel Logan, 51st CES Emergency Management journeyman, for contamination during a combined force training exercise at Osan Air Base, Republic of Korea, Sept. 7, 2012. U.S. Air Force and Republic of Korea Air Force members conducted post attack reconnaissance sweeps and decontamination procedures during the exercise. (U.S. Air Force photo/Airman 1st Class Alexis Siekert)