Editorial: 'Aurora may be going 'boom' in the 
764
Janice Castro, 'Grapevine — R.A.F. to U.S.A.F.: Gotcha!' 
765
'Possible 'Black' Aircraft Seen Flying in Formation with F-117s, 
766
William B. Scott, 'New Evidence Bolsters Reports of Secret, High-Speed Aircraft,' 
767
Ibid., 62.
768
Private source.
769
Computer Message, Subject: Contrails, From: Steve 1957, America Online, 93-09-19, 17:39:11 EOT.
770
Industry Observer, 'Combined Cycle Powerplant,' 
771
Scott, 'New Evidence Bolsters Reports of Secret, High-Speed Aircraft,' 62, 63.
772
Letters, 
773
William B. Scott, 'Recent Sightings of XB-70-Like Aircraft Reinforce 1990 Reports from Edwards Area,' 
774
William B. Scott, 'Secret Aircraft Encompasses Qualities Of High-Speed Launcher for Spacecraft,' 
775
Peter W. Merlin, 'Dreamland — the Air Force's remote test site,' 
776
'Groom Lake's secret revealed?' 
777
Michael A. Dornheim, 'United 747 Crew Reports Near-Collision with Mysterious Supersonic Aircraft,' 
