By the sounds of it it ought to be n SH4 thing. But Im not sure if American subs did that. Though certainly they could add the ability to do such a thing. I imagine it would involve creating a kind of spawn that would cause the appropriate number of banners to appear on the scope as you near harbour. Then you could raise the scope and return in glory.
SO far I think its beyond our abilities in modding SH3 at this time.
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