A MKII Bridge Erection Boat pushes an Improved Ribbon Bridge (IRB) Bay Section down the Arkansas River during River Assault 2017 on Fort Chaffee Manuever Training Center, July 26, 2017. The Bay was among several that formed a IRB across the river, the culminating event of River Assault. Operation River Assault is one of the key training events that demonstrates that America’s Army Reserve is the most capable, combat ready, and lethal Federal Reserve Force in the history of the nation. (U.S. Army Reserve Photo by Sgt. 1st Class Clinton Wood)