Kidou Senshi Gundam Dai 08 MS Shoutai U.C.0079 + α

Zeon ace pilot, Commander Char Aznable, thought he could foil the Federation's plan to build a mobile suit by attacking their research base on colony Side 7. He was wrong. With a prototype already active, the besieged Federation forces strike back using their new weapon, the mobile suit Gundam, with devastating consequences. Amidst the fighting, young electronics wizard Amuro Ray is determined not to let his friends and family die in the crossfire. But what can one boy do to repel a squad of mobile suit-clad invaders? (Source: VIZ Media)

Universal Century 0079. The Magellan-class battleship Toutatis tracked a Musai-class ship on its way towards Side 2 for a preemptive attack following the Duchy of Zeon's declaration of war. Eventually they crash-landed on the Island Iffish colony and what they saw there was a landscape wiped out by poison gas, realizing Zeon's aim to drop the colony on the Earth. The Toutatis, equipped with a nuclear warhead, attempts to destroy the colony. Meanwhile, a Zaku platoon had entered the colony by chance, ordered to subdue and silence dissent among friendly forces. (Source: Gundam Wikia)

Universal Century, Decemeber 0079. After the failure to capture the Federation HQ at Jaburo, the remaining Zeon forces on Earth conduct a retreat. On their way back to space to reunite with the rest of Zeon's forces in space, a Federation unit consisting of three red giants appear. (Source: Kadokawa, translated)