Helmets, service rifles and boots represent the 30 U.S. Marines and one sailor of Company C, Battalion Landing Team 1st Battalion, 3rd Marine Regiment, 31st Marine Expeditionary Unit, and Marine Heavy Helicopter Squadron-361, 3rd Marine Aircraft Wing, who died in a CH53-E Super Stallion helicopter crash Jan. 26, and three of the ground unit's Marines, who died during the fight for Fallujah, during a memorial service in western Iraq Feb. 2.