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Lockheed Martin F-35 Lightning II Lockheed C-130 Hercules Lockheed Martin F-22 Raptor Lockheed SR-71 Blackbird Lockheed U-2 Lockheed P-38 Lightning Lockheed F-104 Starfighter Lockheed Corporation Lockheed F-117 Nighthawk Lockheed L-188 ElectraTài liệu tham khảo
WikiPedia: Lockheed_Martin_X-33 ftp://ftp.hq.nasa.gov/pub/pao/pressrel/2001/01-031... http://www.gao.gov/archive/1999/ns99176.pdf http://www.hq.nasa.gov/office/pao/History/x-33/hom... http://www.nasa.gov/centers/marshall/news/backgrou... http://www.wpafb.af.mil/shared/media/document/AFD-... http://www.fas.org/programs/ssp/man/uswpns/air/xpl... http://en.wikisource.org/wiki/X-33_Advanced_Techno... https://commons.wikimedia.org/wiki/Category:X-33?u...