In Metal Gear Solid 3 Snake Eater video games, Shagohod is the hybrid screw propelled vehicle designed by Dr. Nikolai Stepanovich Sokolov to serve as a mobile nuclear ballistic missile system.
Dr. Nikolai Stepanovich is trapped in Soviet Union doing research and building Shagohod forced by Colonel Volgin. Major Zero with the CIA send Snake aka Big Boss to help him escape.
Big Boss met EVA during the search for Dr. Nikolai. Shagohod in the video game make 3 appearances, during the early game when Boss launched a missile, in the middle of the game where Snake decided to plant a butterfly C4 to Shagohod and at the end game where Snake and EVA is chased by Colonel Volgin using Shagohod.
So if you happen to play MGS 3, you won’t see it in full action till the end of game. shagohod model requires 25 sheets of paper and comes in .pdo.