203-mm M110 howitzer

The 203-mm (8-in) M110 self-propelled howitzer was the heaviest field artillery piece in the U.S. Army and Marine Corps. (It is not deployed in a towed version). It is a large and mobile weapon, but has no ballistic protection for its crew. It is no longer in U.S. service.

The M110 chassis is identical to that of the 175-mm M107 self-propelled gun (see separate database entry). It is made of all-welded armor and high-tensile alloy steel. In its M110A2 form, the vehicle is...