research in this country label as 'highly improbable' the existence on
Earth of engines small enough to have Powered the saucers.

"Intelligent life on Mars . . . is not impossible but is completely
unproven. The possibility of intelligent life on the Planet Venus is
not considered completely unreasonable by astronomers.

"The saucers are not jokes. Neither are they cause for alarm."
[1]

On December 27, 1949, the Air Force denied the existence of flying
saucers.[2]

On December 30, 1949, the Air Force revealed part of a secret Project
"Saucer" report to members of the press at Washington. The official
report stated:

"It will never be possible to say with certainty that any individual
did not see a space ship, an enemy missile, or some other object."

Discussing the motives of possible visitors from space, the report
also stated:

"Such a civilization might observe that on Earth we now have atomic
bombs and are fast developing rockets. In view of the past history of
mankind, they should be

[1. Project "Saucer" Preliminary Study of Flying Saucers.

2. Air Force Press Release 629-49.'