Nuclear Fusion, also known as Fusion is a physical reaction that can be harnessed as a form of power generation; it is the very process which causes stars to shine.
the Universal Federation of Alliance used fusion in military as heavy weapon for destroyed object and person of disco federation, the fusion can used for other non-military like Fusion reactor. (SD: Plan of Disco Federation)
Most Fusion weapon manufacturer used a nuclear fusion is Superpe Ronte, a French-weapon industries used the fusion for defeat rival of Platinum weapon, SCR.