Valkyrie: the North American XB-70: The USA's Ill-fated Supersonic Heavy Bomber

"A fascinating insight into one of the Cold War's most interesting concept aircraft . . . [with] new information, photographs and first-hand accounts." —Flypast

During the 1950s, plans were being drawn at North American Aviation in Southern California for an incredible Mach-3 strategic bomber. The concept was born as a result of General Curtis LeMay's desire for a heavy bomber with the weapon load and range of the subsonic B-52 and a top speed in excess of the supersonic medium bomber, t...