Sgt. Nicole Pierce, 401st Engineer Company, Mustang, Okla., serves as the raft commander directing the watercraft to align both halves of the Improved Ribbon Bridge. Bridge crewmembers from different engineer companies joined forces deploying Mark 4 watercraft from transport trucks on the river bank, pushing improved ribbon bridge partitions into place to construct a floating ribbon bridge across the entire Arkansas River, August 4 as the main training event to River Assault 2015 at Fort Chaffee, Ark. (U.S. Army photo by Staff Sgt. Roger Ashley)