UFO Paper:
“Project Sign and the Estimate of the Situation”
by Michael D. Swords
(Journal of UFO Studies,
New Series, Vol. 7, pp. 27-64, 2000)
(NICAP.org)

Project Sign, the first UFO investigation project of the U.S. Air Force, formally began its work on 22 January 1948. It operated formally for about one year, the calendar year of 1948, according to Dr. Michael D. Swords:

http://www.nicap.org/papers/swords_Sign_EOTS.htm













Organisational Chart, U.S. Air Force Intelligence, ca. 1948
(nicap.org image)

U.S Government UFO Document:

“CANADIAN - UNITED STATES COMMUNICATIONS INSTRUCTIONS FOR REPORTING VITAL INTELLIGENCE SIGHTINGS (CIRVIS / MERINT) - JANAP 146 (D)”

Date: February 1959

(The Joint Chiefs of Staff Military Communications - Electronics Board, U.S. Department of Defense, Washington, D.C.)

Source: NOUFORS.com, Sudbury, Canada

The JANAP 146 (D) (CIRVIS/MERINT) UFO reporting procedure was a joint Canadian military-U.S. military effort to track unknown aircraft, guided missiles, unidentified flying objects or unidentified objects in the water, unidentified submarines and unidentified surface vessels:

http://www.noufors.com/Documents/janap146d.pdf























(abovetopsecret.com image)