. . "1977" . . . . . . . "George J. Dufek" . . . . "George J. Dufek" . . . . . . . . . . "arrive and depart by airplane" . . "1921" . "George Dufek" . . . . . . . "1959" . . . . . . . . . . . . . "1903" . . . "Rear-Adminal Dufek" . . . . . . . . . . . . . . . . "Rear Admiral George J. Dufek" . .