Capt. Kathryn Oja, 36th Medical Support Squadron medical readiness flight commander, tosses charcoal on Tech. Sgt. Eric Morris, 36th Mobility Response Squadron ramp coordinator, Feb. 3, 2016, at Andersen Air Force Base, Guam. Charcoal aims to mimic residue from burns and explosions caused by the simulated incident for the massive accident response exercise. (U.S. Air Force photo/Airman 1st Class Jacob Skovo)