31.08.1943 US Navy carriers attacks Marcus Island. This was the combat debut of F6F Hellcat. This fighter become in the main fighter of US Navy for the rest of the war, destroying more than 6.000 enemy planes. Grumman F6F Hellcat
31.08.1977 High flight altitude record reached - 37650 m. Aircraft MiG Ye-266M, pilot - A.V.Fedorov. MiG MiG-25 Foxbat