A U.S. soldier uses his body to create an opening in a wire obstacle so his team can assault a position during Exercise Grizzly Defender in Alberta, Aug. 21, 2015. Grizzly Defender is a joint training exercise with the Canadian Army Reserve that focuses on offensive tasks including patrols, convoys, raids, information operations, traffic control points and company-level group attacks. The soldiers are members of the Washington National Guard. Washington National Guard photo by Army Sgt. Matthew Sissel