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• A giant of the skyways poises for flight, Langley Field, Va. The four powerful engines of a YB-17 bomber are warmed up before a takeoff (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 39 favorites
  • 37,235 views
  • Date taken: 1939
  • Date uploaded: 2008-01-09
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpfsac1a35097, xmlns:dc=httppurlorgdcelements11, yb17, b17, alfredtpalmer, alfredpalmer, ww2, wwii, worldwarii, worldwar2, wartime, war, military, 1942, may, may1942, langleyfield, virginia, langleyairforcebase, bomber, yb17bomber, warming, warmingup, readyfortakeoff, takeoff, runway, airfield, rotaryengine, propeller, prototype, boeing, flyingfortress, boeingb17flyingfortress, boeingb17, b17flyingfortress, boeingyb17, usaaf, aviation, aircraft, airplane, militaryaviation, boeingflyingfortress, boeingyb17flyingfortress, yb17flyingfortress, douglasb18bolo, b18bolo, b18, douglasbolo, douglasa20havoc, douglashavoc, douglasa20, a20, a20havoc
  • Visibility: public