.Ground Combat type mass-production mobile-suit for the Federation Forces See the Mekton Zeta Combat sheet! The federation army went out to a large-scale counteroffensive operation after fighting off many attacks on its Jaburo headquarters. The RGM-79 became a mass produced mobile suit having many design changes from the Gundam prototype. After the battle of Odessa, the GMs combat computers are upgraded with information from the Gundam's learning computer. The GM chassis becomes the standard for production mobile suits throughout the war.