A fictional energy gun from the Mospeada science fiction franchise and its Robotech American adaptation.
It first appeared in the Kikou Souseiki Mospeada TV series from 1983.
The Mars Division Gallant H-90 is the standard sidearm of the Earth reclamation forces fighting to retake the planet from the Inbit alien invaders.
It can be equipped with several weapon modules which greatly increase its aim, range, power and energy capacity. As the war against the Inbit progressed more and more samples could be found among the different guerrilla, freedom fighter groups and rebel cells scattered across the planet.