SU166
SU166 is a designation that has been applied to various items, most notably a Soviet self-propelled gun and a fictional starship. The SU166 self-propelled gun was a proposed design during World War II, intended to mount a powerful gun on a tracked chassis. Details regarding its development and any potential production are limited, and it is not widely recognized as having been deployed operationally.
In the realm of science fiction, SU166 refers to a starship class within the Star Trek universe,