US personnel weren't even supposed to be detached to the Falkland Islands, long after the war there. I was on one of our long-standing detachments down there in the late 1990s, along with a USAF exchange officer from our squadron. Nobody thought anything about it until there was a flurry of communications between Mount Pleasant Airfield and the UK. The US command hierarchy had got wind of our USAF chaps deployment and took a dim view of it - up until then even the USAF fellow didn't know he was not supposed to be that far south!