The F-105 Thunderchief was primarily designed for tactical nuclear operations. For this reason, it was on nuclear Victor alert in Europe and the Far East. When the air war against North Vietnam was initiated on March 2, 1965, the USAF needed an aircraft with a load-carrying ability, and the only aircraft that could do that job was the Thunderchief. In the second book of what will be a defining trilogy of Thunderchief history, the wartime operations of this iconic aircraft are detailed, alongside investigations of the extensive modification programs that allowed the F-105 to get the job done. This book not only gives in-depth accounts of various historical F-105 events, with inputs from the pilots involved, but is also lavishly illustrated with over 150 images, many of which have never been published before.