This is different to the icebergs. With icebergs is possible to generate random "groups" of icebergs that will travel on random routes, but not with mines.. those are static objects. So they have to be placed manually around dover channel, gibraltar etc. At least I dont know how else can we generate static objects in the campaign.
If we form here a team that will revamp the whole SH5 campaign, we can add them into the campaigns. I will try these days to add few mines to the gibraltar area in the OH campaign and see if they show up and work.
Awesome job TDW, respect. Now whats next? Nets?