Maj. Michael Smith, 4th Aerospace Medicine Squadron bioenvironmental engineering flight commander, secures a simulated sample of Staphylococcal Enterotoxin B during an integrated base emergency response capabilities training exercise June 25, 2015, at Seymour Johnson Air Force Base, N.C. IBERCT helped prepare participants for potential real-world scenarios involving chemical, biological, radiological, nuclear, and explosive threats. (U.S. Air Force photo/Senior Airman John Nieves Camacho)