The Jenny Kim-Ryan Bang Joint Main Battle Tank Or JRJ-MBT is the Federalandia's main battle tank developed by the federal defence industries in day 200 and first entering service in day 205. The JRJ-MBT was replaced the earlier M1A2 Cho Chang as the main battle tank of the Federal Ground Forces. Various versions have served in the armed forces of federalandia and states of missouri, as well as several non-orden nations. More than 17000 JRJ-MBTs have been manufactured. The JRJ-MBT first saw combat in Boisa Menia with the Federal Ground Forces and has also seen action in UN of planets with the freedom star peacekeeping forces.