At 09:12 PM 3/28/2017, Tom Mitchell wrote: >There was no encryption in this: tora tora tora > >The word tora ... means "tiger" in Japanese and was sent in the "clear". Or this: Climb Mount Niitaka 12/08 Which was sent 12/2/1941 in Morse Code for katakana (alphabetic Japanese), but was otherwise unencrypted.