On 09/06/2014 18:26, Adrian wrote:
On Mon, 09 Jun 2014 18:00:23 +0100, Jabba wrote:

Not followed the Battle of the Atlantic, then. We barely won that, and
it needed a lot of help from Ultra. As it was they sank 5000 merchant
ships in WW1 and 5000 ships in WW2. In WW2, we sank 1100 U-boats.

It didn't help that the Royal Navy codes had been broken by the Germans
and it took some time for the RN to work that out.

...and following that line of logic could easily lead to the conclusion
that cryptography and communications are more important, even, than the
Navy.


And it would be true.
However you probably need both.