ultra-codebreaking

In this chapter, Mike, Polly, and Eileen discuss the critical importance of Bletchley Park during World War II as the site of Ultra, the top-secret codebreaking operation that deciphered German Enigma messages. They plan for Mike to infiltrate Bletchley Park disguised as a cryptanalyst to find Gerald Phipps, who is believed to be there and whose presence could jeopardize the war effort. The chapter explores the challenges of covert operations, the risks of altering historical events, and the detailed preparations necessary for Mike's undercover mission.