Anthony Harris, Army Support Activity Simulation Branch training support assistant, describes the importance of the Humvee Egress Assistance Trainer, or HEAT, to members of a U.S. Navy Expeditionary Combat Camera unit. The HEAT device trains Service members on the effects of a rollover and allows them conduct drills that will provide the skill and ability to react properly during emergency egress situations. (U.S. Air Force Photo by Airman 1st Class R. Alex Durbin/Released)