In 1965 two North Korean MiG-17s hit an ERB-47H over the Sea of Japan, causing the loss of three engines, although the Americans made it back to Japan. The reconnaissance version of the B-47 had ...

Boeing and Martin were asked to focus on six-engine designs – which would become the B-47 and XB-48 respectively. In 1945, the Army Air Forces Scientific Advisory Board inspected a secret German ...