24. Nailing Yamamoto

The United States naval intelligence intercepted and decrypted a coded Japanese message on April 14th, 1943, which began: “On April 18 CINC Combined Fleet will visit RXZ, R__, and RXP in accordance with the following schedule…” The CINC Combined Fleet referred to was Admiral Isoroku Yamamoto, the Japanese Navy’s most capable commander and the architect of the attack on Pearl Harbor.
The intercepted message revealed that Yamamoto would fly from Rabaul to Bougainville in the Solomon Islands on April 18th, arriving at 8 AM, Tokyo time, in two medium bombers, escorted by six Zero fighters. The information swiftly worked its way up the chain of command to the President, and FDR’s response was “get Yamamoto“.



