The "M74 Catapult" is an mechanized modern Catapult to that can launch an explosive devices known as C-B4; a boulder-sized explosive, and launch to a great distance. C-B4 are a shock induced detonated explosive; which uses the shock of collide with large forces, and the ground to detonate. M74s are relatively smaller than, CL-20s, and operators drive it similar to that of tank.