In Cosmic Era (C.E.) 70... The tensions mounted between the Earth Alliance and the ZAFT Forces caused by the 'Bloody Valentine' tragedy have erupted into an all-out war. The Earth Alliance's mobile armor forces and tanks launch...mobile suits are destroyed one after another... It seemed a foregone conclusion that the Earth Alliance, with its superior numbers, would be victorious. But this initial assessment proved to be false. Almost 11 months have passed since the conflict began, with no end in sight.