NSA/CSS @NSAGov
#OTD in 1940 Pres. Roosevelt split translation & decryption of Japanese diplomatic traffic between #Army & #Navy. Army, even days; Navy, odd. This photo isn't directly related but we just like stirring up the #ArmyNavy football rivalry. Photo Credit: National Archives https://t.co/GLy0K3fA6S — PolitiTweet.org