How does it find submarines without a MAD boom ?
The crew have live Twitter feeds to provide a heads up and then arrange a rendezvous via Facebook. We're all friends together now don't ya know.
P.S. Stuffy - if you read your own link to St Mawgan, you will see that it has been devoid of a runway since 2008.
I am led to believe that 5 P8s have been reserved for the UK.
Almost correct. It is in fact 8 P5's that have been reserved, otherwise known as the 'Walthar'