(Project Blue Book , U.S. Air Force, Washington , D.C. )
Source: NICAP.org
Quote from the document (not written in U.S.
Department of Defense document format):
“3. The incident was reported as an unusual radar
target.
4. This gives the target an estimated speed of 2160 MPH .”
Project Blue Book listed the case as “Unknown.”
NOTE: The UFO incident occurred on 4 April (not on 5
April) 1952, according to Brad Sparks and Dan Wilson.
Related posts:
(ufocasebook.com image)
(tageo.com photo)