Boeing_X-50_Dragonfly
Boeing_X-50_Dragonfly
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Boeing B-52 Stratofortress Boeing 747 Boeing 767 Boeing B-17 Flying Fortress Boeing B-29 Superfortress Boeing 777 Boeing 787 Dreamliner Boeing Boeing F/A-18E/F Super Hornet Boeing B-47 StratojetTài liệu tham khảo
WikiPedia: Boeing_X-50_Dragonfly http://www.boeing.com/companyoffices/gallery/image... http://www.boeing.com/news/frontiers/archive/2002/... http://www.boeing.com/phantom/news/2005/q4/nr_0512... http://people.nas.nasa.gov/~aftosmis/publications/... http://www.globalsecurity.org/military/systems/air... https://web.archive.org/web/20090216162819/http://... https://web.archive.org/web/20130322013249/http://...