O-I super-heavy tank
Japanese prototype super-heavy tank of World War II
O-I super-heavy tank
O-I was the designation given to a proposed series of Japanese super-heavy tanks designed during World War II. The vehicle was planned to be very heavy and have a crew of 11. The complete history of the O-I is unknown, due to the “obscure” nature of the project and the limited documentation that survived post-war.
Read on Wikipedia · Image Imperial Japanese Army, Public domain
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