A Maryland National Guard UH-60 Blackhawk crew from

A Maryland National Guard UH-60 Blackhawk crew from the 224th Aviation Regiment prepares for a flight at Camp Wainwright, Alberta, Canada, on May 26, 2017. They were working with the Royal Canadian Air Force’s 450 Tactical Helicopter Squadron to insert troops into the battle space during Maple Resolve 17, the Canadian Army’s premier brigade-level validation exercise running May 14-29.