American fighter planes flying over North Korea

'MIG Alley' North Korea, June 1951. An F-84E Thunderjet called the "MIG Teaser" flies over North Korea. The 136th Fighter-Bomber Wing, Texas ANG, became the first Air National Guardsmen to enter combat in the Korean War. During the winter and spring of 1951, the Chinese Communist Air Force mounted a major air offensive against the United Nations air forces. The major contested area were the skies over northwestern Korea known as "MIG Alley." Oil painting by William S. Phillips. (Photo by VCG Wilson/Corbis via Getty Images)