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