U.S. Air Force firefighters assigned to the 379th Expeditionary Civil Engineering Squadron, tan uniforms, work alongside a firefighter from the Qatar Emiri Air Force, black uniform, to assist Royal Air Force members, simulating casualties, at a staging location at Al Udeid Air Base, Qatar, Oct. 3, 2017. The military members were taking part in a joint U.S., UK and Qatari exercise, involving a simulated accident with a Royal Air Force C-130J Hercules, designed to test the 379th Air Expeditionary Wing’s post-crash emergency management plan. (U.S. Air National Guard photo by Tech. Sgt. Bradly A. Schneider/Released)