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Douglas_World_Cruiser Quốc gia sử dụngThực đơn
Douglas_World_Cruiser Quốc gia sử dụngLiên quan
Douglas MacArthur Douglas Costa Douglas A-4 Skyhawk Douglas A-26 Invader Douglas A-1 Skyraider Douglas A-3 Skywarrior Douglas DC-3 Douglas Aircraft Company Douglas A-20 Havoc Douglas EngelbartTài liệu tham khảo
WikiPedia: Douglas_World_Cruiser http://www.boeing.com/history/mdc/dwc.htm http://airandspace.si.edu/exhibitions/gal208/pione... http://www.nasm.si.edu/research/aero/aircraft/doug... http://www.centennialofflight.gov/essay/Aerospace/... http://www.wpafb.af.mil/museum/history/dwc/dwc.htm http://www.afa.org/magazine/sept1999/0999around.as... http://www.idaillinois.org/cdm/compoundobject/coll... http://www.pbs.org/kcet/chasingthesun/companies/do... https://web.archive.org/web/20050410084444/http://... https://web.archive.org/web/20050428201527/http://...