For discussion of topics related to life originating elsewhere than Earth. Sample topics include findings of organic molecules on various moons and planets, places which could potentially harbor life, and the like.
I'm going to relink to this paper, since it is one of the best pieces of evidence for non-Earth based life I've yet seen.
A rather long, but interesting essay on Naval Mine Clearing in varying environments.
Interesting evaluation of USN capeabilities. I'd like to hear peoples thoughts on this, and possible concepts for moving forward.