William B. Scott, 'Black Programs Must Balance Cost, Time Savings with Public Oversight,' Aviation Week and Space Technology (December 18, 1989), 42, 43.
'Secret Advanced Vehicles Demonstrate Technologies for Future Military Use,' Aviation Week and Space Technology (October 1, 1990), 20, 21; and 'Multiple Sightings of Secret Aircraft Hint at New Propulsion, Airframe Designs,' 22, 23.
J. Antonio Huneeus, 'Were Recent UFO Flaps Caused by Secret Military Aircraft?' New York Tribune, November 22, 1990; Bill Sweetman, 'Air Force may be testing spy plane capable of cruising at 4,000 mph,' San Diego Tribune, December 7, 1990, sec. A; and Editorial, 'Aurora, C- 17, ATF, B-2 may boost job count,' Antelope Valley Press, December 9, 1990, sec. B.
William B. Scott, 'Scientists' and Engineers' Dreams Taking to Skies as 'Black' Aircraft,' Aviation Week and Space Technology (December 24, 1990), 41, 42.
Gregory T. Pope, 'America's New Secret Aircraft,' Popular Science (December 1991), 33–35, 109.
Curtis Peebles, Watch the Skies! A Chronicle of the Flying Saucer Myth (Washington, D.C.: Smithsonian Institution Press, 1994).
Betsy Woodford, 'Phantom of the air tracked by Caltech's seismo-graphic network,' Caltech News (April 1992), 9. The author understands it is a common practice at some air force and navy bases to deny any knowledge when a sonic boom complaint comes in.
Edmund Newton, 'Secret Is Out on 'Quakes': It's a Spy Plane,' Los Angeles Times, April 17, 1992, sec. B.
NBC Nightly News, 'In the 90s,' KNSD Channel 39, April 20, 1992.
Russ Britt, 'New Dawn for Aurora?' Daily News, May 17, 1992, Business sec.
Bill Sweetman, 'Mystery contact may be Aurora,' Jane's Defence Weekly (February 29, 1992), 333.
Christy Campbell, 'Secret US spy plane is Kintyre's dark visitor,' Sunday Telegraph, July 26, 1992. Infrared radar?
Bill Sweetman, 'Clues hint of phantom spy plane,' Antelope Valley Press, March 6, 1992, sec. B.
