For a select group of enthusiasts, the ultimate hobby is not golf or yachting, but the acquisition and restoration of military hardware. From the M18 Hellcat to the Soviet 2S7, these collectors spend millions to preserve history and experience the thrill of operating these powerful machines. Whether they are reenacting battles or simply maintaining their private fleets, these individuals are united by a shared passion for heavy metal and the stories behind the tanks that shaped the course of history.