Manufactured by the Arcturus Advanced Research Division. For unknown reasons, the Alliance soldiers nicknamed it the 'Tankbuster' because of its excellent anti-armor and anti-tank capabilities during a field test. When these weapons have reached into the hands of the Alliance soldiers, they began to called them colloquially the 'Rocket Launcher', while it was actually based entirely on the Human's Carl Gustav recoilless rifle from the 21st century. The scientists and engineers in Arcturus Station began to create these weapons in order to address the threats of these armored Geth units. The weapon was created in response to the reports that were intercepted by the Alliance's intelligence service about the encounter of heavily armored Geth ground units on different worlds by Commander Shepard during the chase for the rogue Spectre agent, Saren Arterius. Very effective against armor, shields and biotic barriers. Rapid-fire anti-armor heavy weapon that fires high-explosive anti-tank projectiles at near instantaneous speed similar of a mass accelerator. Created only for the Alliance military with the best materials, technologies and upgrades by the top scientists and engineers in Arcturus Station.