Ammo Can Press Marine Corps Sgt. Eric Bergstrom, a drill instructor motivates a recruit as he completes ammo can presses during a combat fitness test Oct. 25, 2018. SHARE IMAGE: Download Image: Full Size (1.17 MB) Tags: Marines Photo By: Marine Corps Staff Sgt. Tyler Hlavac VIRIN: 181025-M-ZL728-0002C.JPG Photo Gallery