Improved Ribbon Bridge (IRB) Building - US Army Reserve

River Assault 2012 from the 412th Theater Engineer Command building an Improved Ribbon Bridge (IRB) across the Arkansas River at Fort Chaffee, Arkansas. River Assault 2012 is a training exercise that gives engineers an opportunity to practice their skills on land and water in a controlled environment. Those skills include demolitions, sling-load operations, heavy equipment operations and bridge building. Video by Spc. Mark O'Rear | 326th Mobile Public Affairs Detachment AiirSource℠ covers military events and missions from the Army, Navy, Marine Corps, Air Force, and Coast Guard.    / aiirsource   Like & share this video to show your support for the troops! Subscribe to stay updated on all the top stories: http://www.youtube.com/subscription_c... Stay connected with us here: Google+ http://google.com/+AiirSource Facebook   / aiirsource   Twitter @AiirSource   / aiirsource