The German army was known for designing large super weapons. While many failed, many of the engineers behind these devices were later absorbed by the British and American governments for future use.

Rheinmetall technicians work on a battle tank. The manufacturer argues traditional heavy weapons are still vital for conflicts - Copyright AFP Attila KISBENEDEK ...

Many military weapons failed not due to poor design but because they required ideal conditions war rarely provides. Systems dependent on clear weather, secure logistics, uncontested access and ...