Four years after the Outer Heaven incident, the Cold War had thawed and the world faced the threat of a looming energy crisis. Dr. Kio Marv, a prominent Czech scientist, discovered the solution to the problem - an oil-refining microbe called "OILIX". However, both Dr. Marv and OILIX were kidnapped and held hostage by Zanzibar Land - a heavily armed newly-independent nation with intentions to gain economic superiority over the rest of the world. In order to rescue Dr. Marv, the U.S. government calls upon FOXHOUND - who once again send in Solid Snake. Read the full Metal Gear 2: Solid Snake Brief Synopsis.
This Metal Gear is piloted by Grey Fox. It is 8.5 m in overall height, counting the sensors and a nuclear module and its overall lenght is 7.9 m. When it is standard equipped it weighs in at 61.05 tons.