“Air Force Orders ‘Saucer’ Probe -
Top Scientists Called; Radar Sights More”,
29 July 1952 (The Pittsburgh Press, Pennsylvania)
The Pittsburgh Press reports on the July 1952 Washington, D.C. UFO flap:
http://news.google.com/newspapers?id=5_YaAAAAIBAJ&sjid=mU0EAAAAIBAJ&pg=6371,4617856 (Page 1)
http://news.google.com/newspapers?id=5_YaAAAAIBAJ&sjid=mU0EAAAAIBAJ&pg=5094,4647040 (Page 4)
Satellite photo of Washington, D.C. (tageo.com)
(tageo.com photo)