There seems to be proliferation of non-state entity “navies” lately. We have been expecting protests from “Green Peace” against drilling in the Arctic.

Informationdissemination.net/20has some information about the “Sea Shepherds” efforts to expand their fleet, and it looks like the next vessel may be either an icebreaker or at least an ice strengthened vessel. They also note how these groups seem to splinter and create additional new organizations.