U.S. Army Sgt. Zachary Wilks, a combat engineer with the 2/363rd Training Support Battalion in Mesa, Arizona, is an observer, coach, trainer (OCT) for Exercise Maple Resolve 19-01 on 3rd Canadian Support Division Det Wainwright, Alberta, Canada, Friday, May 17, 2019. Maple Resolve is an annual brigade-level validation exercise for the Canadian Army’s High Readiness Brigade and is designed to foster partnership among different nations’ forces.