How to make the blockade ship?

[HUNterkarabiner]

How to make the blockade ship?:06:
Scapa Flow is a credible mission would be good.
Whether to convert an existing ship that cuts can be put under water.

http://www.uboataces.com/images/scapa_flow.jpg

[Zedi]

Under developement at Sober, mission will be available in the upcoming campaign mod.
Soon©