Comparing: STB-1 vs. FV4202

In the early 1960s, Mitsubishi started development of a new tank that complied with government requirements for armament and defense. The first two prototypes of the STB-1 were manufactured in September 1969 for trials. In 1970 the prototypes were shown to journalists and participated in a military parade.

Experimental tank on the basis of the Centurion medium tank. The vehicle was in development from 1956 through 1959, but never saw mass production. Technical decisions and innovations implemented in the FV4202 became the basis for the FV4201 Chieftain.