Hv-128
The Hv-128 was a German 128mm anti-tank gun developed in the later stages of World War II. It was intended to be mounted on tank destroyers and self-propelled artillery units, but only a small number were produced due to the war’s end.
Hk-9
A German 128mm anti-aircraft gun, employed by the Luftwaffe during World War II, known for its exceptional range and firepower.