Changes

'''JN-25''' was the [[Japan]]ese military naval code prior to and during [[World War II]].  The Americans and British deciphered this code months before the attack on [[Pearl Harbor]].   

'''JN-25''' was the [[Japan]]ese military naval code prior to and during [[World War II]].  The Americans and British deciphered this code months before the attack on [[Pearl Harbor]].   

The Americans intercepted 26,581 JN-25messages from September 1 to December 7, 1941, and they are available for public review at the National Archives.

The Americans intercepted 26,581 JN-25 messages from September 1 to December 7, 1941, and they are available for public review at the National Archives.

Later the Japanese upgraded its code to the JN-25B, which was also broken by the [[Allies]].

Later the Japanese upgraded its code to the JN-25B, which was also broken by the [[Allies]].

[[Category:World War II]]

[[Category:World War II]]