Lend-Lease gorn mad?
He used it to survey the wrecks of the USS Lexington off the Australian coast and USS Hood in the Straits of Denmark, the latter sunk by the German battleship Bismarck during the Second World War.
The Royal Navy may disagree with that designation. But it was fun watching Octopus arrive in London during the Olympics as it barely fit through the dock gates. Also used to think it was a pretty fugly ship, until I was chatting with some of the crew who explained it was a 'proper' explorer yacht, complete with all sorts of fun oceanographic survey toys.