CAMP LEATHERNECK, Afghanistan-Marines with Delta Company, 1st Tank Battalion, 1st Marine Division (Forward), attach a .50 caliber machine gun to the top of an M1A1 Abrams tank before a range at Camp Leatherneck, Jan. 13, 2011. The Marines performed their pre-combat inspections before firing the weapons to prepare for upcoming missions., Cpl. Ned Johnson
