[jimbob55]

Ahem..... :-) I heard that the first enigma machine fell into allied hands through the czech resistance. Can't remember where though.
I think the german navy added an extra wheel to their enigmas towards the end of the war, just for paranoias sake but bletchly park cracked the code in a matter of weeks / months because it was still basically an enigma machine.

For an interesting read on crypto and intel try Cryptonomicon by Neil Stephenson (sp?) Big black book with white cover text.

Some info (starcharts, ship designs, ship concentrations) would be more accessible from captured ship databases.
Then you have to add the 'change crypto' counter-intel project which requires all ships to return to a resupply depot to receive the new codes ....

[This message has been edited by jimbob55 (edited 05 May 2001).]