Importance of record-breaking flight of Question Mark and changes in equipment made for refueling are discussed.
The question mark's flight
Aero Digest
Aero Digest ; 14 , n 2
1929
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1923
|The flight of the question mark
Engineering Index Backfile | 1929
|Ground operations on "question mark" refueling flight
Engineering Index Backfile | 1929
The refueling flight of the "question mark,"
Engineering Index Backfile | 1929
|