- n any substance that propels
- s tending to or capable of propelling
- Power Plant: Thiokol dual-thrust, solid propellent, rocket motor; Length: 13 feet, 8 inches (4.
- Power Plant: Thiokol TX-481 two stage, solid propellent, rocket motor; Length: 8 feet, 2 inches (2.
- The propellent charge is set off by the impact of the projectile with the firing pin in the base of the gun.