The Spacenoids found a new space nation, seeking independence from the rule of the Federation: The Principality ... defeat Zeon. During the war, the project produced a new state-of-the-art mobile ...

During the One Year War of U.C. 0079, the Earth Federation and Principality of Zeon engage in a fierce battle at the "Thunderbolt Sector", a shoal zone in the former Colony Side 4 "Moore".