U.S. Army Col. Beth Behn, 7th Transportation Brigade (Expeditionary) commander, speaks with brigade leaders during the Warfighter Exercise at Ft. Indiantown Gap, Pa., Oct. 8, 2017. The month-long exercise simulated realistic combat scenarios in which units combined their abilities to respond to a computer-simulated event. (U.S. Army photo by Spc. Wilmarys Roman Rivera) (Portions of photo altered for security purposes)