The Modular Naval Artillery Concept (MONARC) program of the German defense industry studied the feasibility of mounting self-propelled artillery turrets to naval vessels.
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Previously:
https://www.homemadetools.net/forum/...621#post186001
https://www.homemadetools.net/forum/...066#post184216
https://www.homemadetools.net/forum/...703#post182753
https://www.homemadetools.net/forum/...832#post163812
https://www.homemadetools.net/forum/...863#post144397
https://www.homemadetools.net/forum/...545#post136056