6/14/2011 - SPANGDAHLEM AIR BASE, Germany – Airmen from the 52nd Fighter Wing don their mission-oriented protective posture gear during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)

6/14/2011 - SPANGDAHLEM AIR BASE, Germany – Tech. Sgt. Daniel Robinson, 52nd Civil Engineer Squadron firefighter, explains the differences between various types of fire extinguishers during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)

6/14/2011 - SPANGDAHLEM AIR BASE, Germany – Airman Sarah Wainscott, 52nd Force Support Squadron, dons her M-50 gas mask during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)

6/14/2011 - SPANGDAHLEM AIR BASE, Germany – An Airman from the 52nd Fighter Wing extinguishes a fire during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)

6/14/2011 - SPANGDAHLEM AIR BASE, Germany – Airmen from the 52nd Fighter Wing carry a simulated casualty during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)

6/14/2011 - SPANGDAHLEM AIR BASE, Germany – Senior Airman Marcus Higa, 52nd Fighter Wing, extinguishes a fire on a dummy as Tech. Sgt. Shanton Russell, 52nd Civil Engineer Squadron firefighter, watches during individual core competency skills training here June 13. The training reviewed individual chemical, biological, radiological and nuclear defense; weapon familiarization; first aid; and firefighting to prepare Airmen to operate in hostile environments. (U.S. Air Force photo/Senior Airman Nathanael Callon)