US, ROK: Familiarization in CBRN
Staff Sgt. Lauren Greenwald, 8th Civil Engineer Squadron emergency management journeyman, observes 2nd Lt. Choi Ho Young, Tech. Sgt. You Sung Chul and Spc. Kim Hui Gon, all assigned to the Republic of Korea 35th army division, while they demonstrate their chemical attack response capabilities during a chemical, biological, radiological and nuclear training scenario, Feb. 24, 2014 at Kunsan Air Base, Republic of Korea. The CBRN unit had to call in global positioning system coordinates before determining the type of contamination found. (U.S. Air Force photo by Staff Sgt. Jessica Haas/Released)