Home › The Ultra Secret
  • No Image Available
1 1

The Ultra Secret

$103.40 USD
$103.40 USD
Sale Sold out
Shipping calculated at checkout.
Secure Checkout
Quality Guaranteed
In Stock
Weight

About this book

Operation Ultra was designed to intercept & decode German signals sent using Enigma the top-secret German cypher machine. F.W. Winterbotham was the man responsible for the organization distribution & security of Ultra. This is his personal account of the operation.