May 18, 1953 (, Kimi April sixth days), the women flew for the first time to break through the speed of sound. May

1953 18, Jacqueline examination Karen, became the first women airplane speed exceeding the sound barrier. She is one of the best pilots in the United States. She is driving a Canadian-made F-86-type "Sabre jet fighter. The aircraft was flying over Edwards Air Force Base, 100 kilometers north of Los Angeles. Issued by the examination Karen aircraft sonic booms like thunder several times crossed above the desert, when she vertical dive speed of over 760 miles per hour in level flight, she created a new world record of 652 miles per hour, breaking the 1951 to create a record.
Miss Khao Karen, is a U.S. Air Force lieutenant colonel of the reserve forces, due to the significant achievements, won the outstanding service award. The last 100 miles by women to create short-range flight record of 540 miles per hour, was created by the French president's daughter-in-law, Jacqueline Aurel.