The 8 inch (203 mm) M110 self-propelled howitzer is an American-made self-propelled artillery system consisting of an M115 203 mm howitzer installed on a purpose-built chassis.
The M110A2 is a self-propelled heavy artillery cannon with a crew of 12. Designed to be part of a common family of weapons utilising the same chassis components, the M107 and M110 were essentially the same vehicle mounting different barrels. This full-tracked, self-propelled artillery weapon that fires a 200-pound, eight-inch diameter projectile. The shell leaves the muzzle at a velocity of 2,300 feet per second and can travel more than 18 miles.