Short for the "Taiway to Hell". A 155mm towed howitzer model m198. The name comes from its section chief Sgt. Tai Yamauchi and the popular ac/dc song Highway to Hell. In the opinion of the cannons gunner "morriss" The howitzer was thought to be cursed by the name. Hard times often fell onto the Taiway and it's crew but still remains a legend in Marine Corps field artillery world wide.