Sailors from a U.S. Navy Expeditionary Combat Camera unit help each other safely exit the Humvee Egress Assistance Trainer, or HEAT, at Fort Eustis, Va., Feb. 27, 2013. Usage of the trainer is open to personnel from all branches of the military, and all Service members are encouraged to take advantage of it. (U.S. Air Force Photo by Airman 1st Class R. Alex Durbin/Released)