The Type 61 is a Japanese main battle tank developed in the 1950s and used by the Japanese Ground Self-Defense Force. It was the first domestically produced tank in Japan since World War II and was designed to replace the American M4 Sherman tanks that had been in service since the end of
From Wikipedia
The Type 61 tank is a main battle tank developed and used by the Japan Ground Self-Defense Force (JGSDF), built by Mitsubishi Heavy Industries.