Good Intelligence Critical to Midway Victory

The Battle of Midway in June of 1942 was one of the most important naval battles in world history and a turning point in the Second World War. Between June 4 and 7, aircraft from aircraft carriers Enterprise, Yorktown, and Hornet of the U.S. Navy’s Task Forces 16 and 17 ambushed and sank the Imperial Japanese Navy’s carrier force that only six months before had attacked Pearl Harbor and terrorized the Pacific. The Battle of Midway is important to memorialize and remember for many reasons. Among these reasons is that it is an inexhaustible source of still-relevant lessons on how to successfully apply intelligence at all levels of war.
Intelligence Collection and Analysis
At the root of the American victory at Midway was U.S. Navy intelligence successfully breaking Japanese codes and discovering the Japanese Navy’s plans to attack Midway Atoll.
Station Hypo was the team of U.S. signals intelligence (SIGINT) analysts led by then-Commander Joseph “Joe” Rochefort. Immediately after Pearl Harbor, Station Hypo began attempting to decode messages transmitted using the JN-25 code. By late April, Rochefort’s team assessed that the Japanese were planning major operations against the central Pacific and Aleutians. In a famous trick, Pacific Fleet Commander Admiral Chester Nimitz approved a ruse proposed by Rochefort that saw the American garrison at Midway send a fake message “in the clear” (on open channels) regarding broken water evaporator units on the island. Almost immediately afterward, American listening posts intercepted Japanese transmissions mentioning the water shortage and the need to bring along extra water to support the operation. The identity of the Japanese objective was conclusively determined as Midway.
Read Full Article »


Comment
Show comments Hide Comments
You must be logged in to comment.
Register


Related Articles

Popular in the Community