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Rockwell B-1 Lancer Rockwell-MBB X-31 Rockwell XFV-12 Rockwell X-30 Rockwell City, Iowa Rockwell, Iowa Rockwell OV-10 Rockwall, TexasTài liệu tham khảo
WikiPedia: Rockwell X-30 http://www.youtube.com/watch?v=vBQk6a2aPoQ http://www.ae.msstate.edu/rfrl/pages/x30.html http://history.nasa.gov/monograph31.pdf http://stinet.dtic.mil/cgi-bin/GetTRDoc?AD=A441126... https://web.archive.org/web/20050317161511/http://... https://web.archive.org/web/20120324234643/http://... https://commons.wikimedia.org/wiki/Category:X-30?u...