The Catapult is a Heavy BattleMech in the BattleTech universe. It is a long-range artillery 'Mech designed by House Liao. Armament in MechAssault and sequels as well as most other BattleTech games is depicted as being focused around LRMs, with ten LRMs and three Pulse Lasers. In MechCommander, during the Davion campaign you come across a varient of the Mech often referred to as the Swarm Catapult, armed with Swarm LRMs instead of standerd LRMs.