Two M2 Bradley Fighting Vehicles assigned to the 2-9 Infantry, Camp Casey, Republic of Korea (ROK), sit atop a partially assembled pontoon bridge built by the 50th Engineers, 1ST Platoon, Camp Laguardia, ROK, as they cross the Imjin River, ROK, during a bridge building training exercise on Oct. 22, 1998. Many of the participants in today's exercise are officers participating in accordance with the US Army Officer Professional Development Program, a program designed to improve team building and soldiery