U.S. Soldiers from the 571st Sapper Company, 864th Engineer Battalion, 555th Engineer Brigade and soldiers from the 1 Combat Engineer Regiment, Canadian Army, conduct training on explosives during a joint U.S. and Canadian engineer training exercise at Yakima Training Center, Wash., Feb. 23. The two countries worked together to detonate multiple types of demolitions during the weeklong training event. (U.S. Army photo by Sgt. Steven Peterson, 28th Public Affairs Detachment)