The U.S. Army RDECOM-STTC conducted research on distributed, multi-player simulations for training dismounted Soldier tasks. They requested U.S. Army Research Institute support formative evaluations by supporting briefings, demonstrations, and collecting usability information during exercises. Two usability exercises addressed a standard checkpoint scenario, a third evaluation was conducted during an Army Post Emergency Operations exercise, and a final evaluation supported a pre-deployment Battalion Staff exercise. During evaluation and development, changes were ...