Project Blue Book File on Tremonton Film, Utah, 1952
DOW-UAP-D102 · page 66 of 156
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COPY UNCLASSIFIED other than that both appeared to be wingless and somewhat glindrical. This case is classed as an "unknown" by virtue of the high credibility given to observer's of this type. f. Washington Radar Sighting: (1) In the Department of Defense "Minutes of Press Conference Held by Major General John A. Samford", 29 July 1952, copy in file at both ATIC and PIO, it was explained to the press that these sightings (pages 5 through 17) may have been the result of a combination of factors: temperature inversions, moisture lapses, and atmospheric conditions which bend radar rays in such a manner that normally undetected ground targets become visible on the radar screen, in a random manner from one antenna rear to the next, thus allowing some misinterpretation that these stationary targets were moving. (2) It should be emphasized that no photos or motion pictures were ever made of the radar screen, as shown in the motion picture. (3) The attempt to represent the blips as possible interplanetary space ships, gleefully playing "tag" with our jet aircraft over Washington, undoubtedly will produce the desired dramatic mood and suspense. However, the incident over the radar scope was unscientific, not supported by fact, nor the conclusions of the Air Force. g. Sperry Case: This office has no file on this particular case, regarding an observer, an airline pilot. GEORGE T. GREGORY Captain, USAF Project Monitor - UFO _COORDINATION: (In turn) /a/ O. D. Hill M/Sgt. O. D. Hill, AFOIN-4E4 DOWNGRADED AT 8 YEAR INTERVALS; DECLASSIFIED AFTER 12 YEARS. DOD DIR 5200.10 /a/ Robert M. Buckmaster Major Robert M. Buckmaster Chief, Photographic Branch /a/ Roy L. James Mr. Roy L. James Actg Chief, Electronics Division /a/ William F. Willner Major William F. Willner Chief, Photo Analysis Branch UNCLASSIFIED DECLASSIFIED Authority NND 923007