Tom, your apparent depth of knowledge in a wide range of subjects never ceases to impress me - but just for the record:
I'm no Geologist! I was merely rehashing the rantings of some BBC journalist, who probably didn't know the facts himself.
However if there was a military presence, there is likely to be a "scientific" side to the expedition - according to the BBC and I believe the GB Government. The truth will out in due course no doubt.
Just so you know I wasn't waffling, I refer you to the report below, especially the last comment on the final paragragh, just above where you can enter a comment.

http://news.bbc.co.uk/1/hi/world/americas/3563195.stm