Karuwaza and "kyokugei" have the same meaning in Japanese, but in the modern age, karuwaza was used mainly for tight-rope walkers. They moved lightly, and performed acrobatics. In they also performed abroad and gained popularity.
“ During the Second World War, one German Luftwaffe pilot compiled a combat record so remarkable that he earned the distinction of becoming the most successful fighter pilot in the history of humanity. Erich Hartmann, called the Blond.