Canadian Army Lt. Ken Wismer, a platoon commander with Charlie Company, 1st Battalion Princess Patricia’s Canadian Light Infantry, adjusts his headset during exercise Maple Resolve in Camp Wainwright, Alberta, Canada, May 13, 2019. Maple Resolve is an annual exercise, 3-week multinational simulated war, hosted by the Canadian Army bringing NATO allies together from across the world to share and learn tactics while strengthening foreign military ties. (U.S. Marine Corps photo by Cpl. Niles Lee)