Keywords: Take Cover (7850564486).jpg Company B Marines with Marine Barracks Washington take cover after a live grenade explosion during a live grenade range part of a training exercise at Marine Corps Base Quantico Va Aug 21 Co B spent a day at the facility refreshing their knowledge and skills on the M40 gas mask practice grenades fragmentation grenades martial arts and infantryman tactics U S Marine Corps Photo by Cpl Dengrier Baez https //www flickr com/photos/marine_corps/7850564486/ Take Cover 2012-08-24 08 45 https //www flickr com/people/40927340 N03 Marines from Arlington VA United States PD-USGov United States Marine Corps Official Page https //flickr com/photos/40927340 N03/7850564486 2016-09-03 23 10 34 United States Government Work Concrete Gray Infantry Martial arts Smoke Amphibious forces Waste |