The fifth and final film in the five-part Gundam: G no Reconguista Movie series.

At Sankt Porto, the spaceships of the Amerian Army suddenly come under attack. The space colony nation of Towasanga has begun its Reconguista operation, whose goal is a return to Earth. As four powers from Earth and space gather at Sankt Porto, asserting their respective claims and fighting for their causes, Aida decides to head for Towasanga with Bellri and her comrades in order to seek the truth. In Towasanga, on the far side of the Moon, shocking facts will be revealed to Bellri and Aida... (Source: AllTheAnime)

In an attempt to rescue Bellri and the others, Dellensen launches an attack on the pirate corps' Megafauna. Bellri, forced into space combat in Earth orbit, fails to realize he is facing his former instructor and shoots him down with the G-Self. Meanwhile, the Capital Army demands the return of the G-Self and Raraiya Monday, and deploys first the Mask team's Elf Bullocks and then Becker's Wuxia team. Behind the scenes, a crisis is developing which will drive them all to violate the taboos of SU-Cordism–the existence of a threat from space. (Source: AllTheAnime)

End of the series.