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Douglas MacArthur Douglas A-4 Skyhawk Douglas Costa Douglas A-26 Invader Douglas A-1 Skyraider Douglas DC-3 Douglas A-3 Skywarrior Douglas A-20 Havoc Douglas Aircraft Company Douglas B-66 DestroyerTài liệu tham khảo
WikiPedia: Douglas_D-558-2_Skyrocket http://www.flightglobal.com/pdfarchive/view/1948/1... http://books.google.com/books?id=QtkDAAAAMBAJ&pg=P... http://www.dfrc.nasa.gov/Gallery/Photo/D-558-2/HTM... https://commons.wikimedia.org/wiki/D-558-II_Skyroc...