. . . . . . . . . . . . . . . . . . . . . . . . "Valeri Chkalov" . . . . . "V.P.Chkalov" . "Valery Pavlovich Chkalov" . . . . . . . . "V. P. Chkalov" . . . . . . . . . . . . . . "Chkalov" . . . . . . "1921" . . . . . . "1921" . . . "V.P. Chkalov" . . . "Valery Chkalov" . . . "1904" . . . . . . . . . . . "Valery Chkalov" . "Chklov" . . . . . . . "1938" .