tanks.

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...

CAMP LEATHERNECK, Afghanistan-Marines with Delta Company, 1st Tank Battalion 1st Marine Division (Forward), work with a bore laser to find the center of the M1A1 Abrams tank gun’s barrel during a battlefield zero range at Camp Leatherneck, Jan. 13, 2011. The Marines aligned their sights and...

CAMP LEATHERNECK, Afghanistan-Marines with Delta Company, 1st Tank Battalion, 1st Marine Division (Forward), fires the main cannon of an M1A1 Abrams tank during a range at Camp Leatherneck, Jan. 13, 2011. The Marines fired multiple rounds to align their sights and prepare their tanks for...

CAMP LEATHERNECK, Afghanistan-Marines with Delta Company, 1st Tank Battalion, 1st Marine Division (Forward), fires the main cannon of an M1A1 Abrams tank during a range at Camp Leatherneck, Jan. 13, 2011. The Marines are the first tank unit to deploy to Afghanistan., Cpl. Ned Johnson, 1/13/2011