Based on the amazing sub by rav2n:
https://steamcommunity.com/sharedfiles/filedetails/?id=3403847177
I made the R-05 Deathwish-compatible, added a main gun(controlled by the captain or a periscope in the gunnery, the loader is in the cargo bay), also adding the new valve and pipe weakpoint system. A lower docking port and a depth charge launcher enables it as a jack of all trades instead of a pure transport.
Designed to be used with the deathwish bundle:
https://steamcommunity.com/workshop/filedetails/?id=3007289720