COLD LAKE, AB, CANADA – Sgt. Marco Ramos and Sgt. Michael Nadon, combat engineers with Engineer Company, Detachment Bravo, Marine Wing Support Squadron 473, 4th Marine Aircraft Wing, Marine Forces Reserve, place a field expedient Bangalore torpedo to clear an abatis created by Canadian Armed Forces members, May 28, 2017 as part of exercise Maple Flag 50. Maple Flag is an annual, international military training event that maintains the alliance with Canadian and multinational air and ground forces.