Portal:U.S. President's Special Panel

“ Mars was and remains a possibility, although
some scientists, most notably Dr. Menzel, consider it more
likely that we are dealing with beings from another solar
system entirely.
Numerous examples of what appear to be a form of writing
were found in the wreckage. Efforts to decipher these have
remained largely unsuccessful. (See Attachment "E".)
Equally unsuccessful have been efforts to determine the
method of propulsion or the nature or method of transmission
of the power source involved. ”

“ It is assumed that the
propulsion unit was completely destroyed by the explosion
which caused the crash.
A need for as much additional information as possible about
these craft, their performance characteristics and their
purpose led to the undertaking known as U.S. Air Force Project
SIGN in December, 1947. ”

“ Walter B. Smith was designated as permanent replacement.
On 24 June, 1947, a civilian pilot, flying over the Cascade
Mountains in the State of Washington observed nine flying
disc-shaped aircraft travelling in formation at a high rate
of speed. ”