American cryptology in WWII:

• Documents specific to the American Bombe posted by Frode Weierud
• Information about the Battle of the Atlantic posted by the Mariner's Museum of Newport News, Virginia
• US Navy account of Magic in WWII.
• US Navy history of the role of the WAVES in WWII.

The role of cryptology in American history:

• The National Security Agency, heir to the technologies developed at the U.S.N.C.M.L..
• New to the NSA History site: Index and online copies of many of their publications
• Cryptologic History and the NSA
• Naval Security Group Command, descendent of Op-20-G (NB: COMNAVSECGRU was disestablished 29 Dec 2005. Those former commands are now renamed Navy Information Operations Commands. For more information, please see this web site.)
• The NSA National Cryptologic Museum
• Navy CT History , the "unofficial" web site, preserving the history of the Naval Security Group Command and the worldwide CT community.
• Background on the US Navy's cryptologic efforts in the Far East: The Empire is Listening, published in the Journal of the Australian War Memorial.

I.E.E.E. History Center interviews with 7 of the NCR personnel who worked on this project

• Robert Mumma
• E. Vincent Gulden
• Jack Kern
• Edward De Laet
• Carl Rench
• Donald Lowden
• Roger Hull

Background information about the Medal for Merit

Information about the U-boat wars

• U-boat.net
• U-boat Archive.net

The pioneering work of the British at Bletchley Park, and their relations with the US:

• A section of The Alan Turing Internet Scrapbook, Alan Turing as UK-USA link, 1942 onwards: Hands Across the Sea
• Index to Frode Weierud's CryptoCellar a site of varied and extensive information.
• Codes and Ciphers in the Second World War, hosted by Tony Sale
• The Official Site of the Bletchley Park Trust--updated and loaded with new information.

Information about the pioneering work on cracking the Enigma accomplished by Polish cryptanalysts early in the War:

• The Enigma Machine; History of Solving, hosted by Lech Maziakowski

Sites dedicated to our veterans:

• The Navy Memorial Foundation
• The U.S. Naval Cryptolgic Veterans Association
• The U.S. Navy Historical Center
• Women in Military Service for America Memorial
• WAVES National

For a glimpse at Dayton's role in international cryptologic history, visit the web pages of the Dayton History. Among their assets is the immensely valuable NCR Archive

Would you like to learn more about codes and ciphers, encrypt a message, or try your hand at some crypto puzzles?

• The home page of a web site (somewhat technical) by Jerry Proc, of Ontario Canada, devoted to Crypto Machines.
• A fun site to visit: Tales of the Encrypted. Have fun with their animated entrance page.
• Encrypt a message using their animated Enigma
• A good information and links page, just titled Enigma, sponsored by a hardward/software firm in the Netherlands, with a list of Enigma simulators available for different operating systems (Windows, Perl, etc.)
• Want to build your own Enigma? Information on how to do it..

Excellent background information based on primary sources:

• Best of History Web Sites
• World War II Resources
• Hyperwar; a Hypertext History of World War II
• Site sponsored by the History Department at Ohio State University: E History