Cpl. Tyler Latiolais, U.S. Marine Corps, watches for hostile Riverine Assault Craft and Rigid Raiding Craft from the grassy banks of New River at Camp Lejeune, N.C., during Riverine Interoperability Operation Exercise '98 on May 14, 1998. The Camp Lejeune exercise, more commonly known as RIOEX, allows forces an opportunity to practice conventional combat operations in a riverine environment. Latiolais, of Cecilia, La., is attached to Headquarters Battalion, Truck Company, Camp Lejeune, N.C.