A radio transmission operator communicates with other

A radio transmission operator communicates with other units staged along the Arkansas River from inside an armored personnel carrier during Operation River Assault 2015, a bridging training exercise involving Army Engineers from the Army Reserve and active duty and other support elements to create a modular floating bridge on the water at Fort Chaffee, Ark., Aug. 4, using improved ribbon bridge bays. The entire training exercise lasted from July 25 to Aug. 7, involving one brigade headquarters, two battalions and 17 other units, to include bridging, sapper, mobility, construction and aviation companies. (U.S. Army photo by Master Sgt. Michel Sauret)