Borgward IV (Schwerer Ladungsträger Borgward B IV) - heavy explosive carrier Borgward B IV - a German remote-controlled demolition vehicle
Near the end of World War II, ~56 Borgward IV Ausf. B & C were converted to the Panzerjäger Wanze, armed with six RPzB 54/1 "Raqueten Panzerbuxe" anti-tank rockets. And fought against Soviet armor during the Battle of Berlin