Fred Ropkey, Crawfordsville, Indiana, largest privately owned Armor owner in the world. Just died in October. There's Sherman, Pattons, Litfields, Stuarts, Leopards, Abrams, all and more in civilian hands. Heck even France and Britian have civilians owning tanks. There's citizens that own arty pieces. My dad include. Fully operation, fully legal, licensed and registered 88 mm German Flak 88. Theres a guy in TN with a sister piece to it as well. There's way more than you'll ever know Tim. All legal.