source https://www.cnn.com/2020/07/21/asia/world-war-2-flying-tigers-intl-hnk-scli/index.html
80 years later, China won't forget what these American pilots did Home blog source https://www.cnn.com/2020/07/21/asia/world-war-2-flying-tigers-intl-hnk-scli/index.html