Royal Navy submarines to inform climate change research

#2
Does that mean all the information from those XSV's and XPTS that were fired off during the cold war (and since) have got a new lease of life. We must have fired off hundreds of the feckin' things.
 
#3
They don't need to go to all that trouble. It is generally cold turning to colder followed by a bloody cold spell before there are a few days of sunshine that bring it nearly to warm before it goes back to cold (Like Orkney really!)