Flakpanzer Coelian was a self-propelled anti-aircraft gun design by Rheinmetall during World War II for the German armed forces. It was intended to be armed with two 3.7 cm FlaK 43 gun in a fully enclosed, rotating turret on the hull of a Panther medium tank but was not built before the end of the war in Europe. In the first years of the war, the ...