"Pyotr Ivanovich Dolgov (Russian: \u041F\u0451\u0442\u0440 \u0414\u043E\u043B\u0433\u043E\u0432; 21 February 1920 \u2013 1 November 1962) (Hero of the Soviet Union) was a colonel in the Soviet Air Force. Dolgov died while carrying out a high-altitude parachute jump from a Volga balloon gondola."@en . "1962Z"^^ . "Dolgov, Pyotr Ivanovich"@en . "Air force colonel" . . "1920-02-21Z"^^ . . "1920Z"^^ . "1940Z"^^ . . "1962-11-01Z"^^ . "1962Z"^^ . . . "Pyotr Dolgov"@en .