The M103 Tank Didn't Do Much - But Was a Heck of a Deterrent It was a tank that could do some hard-hitting and wouldn't need to run from a fight. Here's What You Need To Remember: In the late 1940s and early 1950s, there was fear in Washington over the Soviet Union's superiority in armored warfare. The Chrysler M103 was certainly not an ideal weapon - but it helped to alleviate those fears. When the tank was originally conceived during the First World War by the "Landship Committee," the concept was to have a lumbering vehicle that would be truly massive in size. That proved to be impractica...