A U.S. Air Force Airman assigned to the 380th Expeditionary Civil Engineer Squadron emergency management flight unravels colored tape to cordon off a simulated chemical, biological, radiological, and nuclear (CBRN) device during an exercise at Al Dhafra Air Base, United Arab Emirates, Nov. 20, 2020. During the exercise, the emergency management flight responded to a simulated suspected CBRN attack by donning mission-oriented protective posture gear and cordoning the area before testing its safety and properly disposing of the simulated suspected CBRN device. (U.S. Air Force photo by Staff Sgt. Zade Vadnais)