AES Challenge
Senior Master Sgt. Chris Reese, 934th Aeromedical Evacuation Squadron, listens for an answer as he quizzes Airmen during a Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) challenge. Members of the 934 AES brushed up on skills and competed in challenges during a block training session April 30 and May 1 at the Minneapolis-St. Paul Air Reserve Station, Minn. (U.S. Air Force photo by Shannon McKay/Released)