Sgt. Rebecca Himmel, a medic attached to the 1-169th Aviation Regiment, prepares to board a Blackhawk helicopter to perform a joint medevac training mission during Exercise Maple Resolve 17 at Camp Wainwright, Alberta, on May 16, 2017. Exercise Maple Resolve is an annual collective training event designed for any contigency operation. Approximately 4,000 Canadian and 1,000 U.S. troops are participating in Exercise Maple Resolve 17.