Saturday, 13 April 2019

U.S. Government UFO Document:
“File No: (24-8)-28 - SUBJECT: Summary of Observations of Aerial Phenomena in the New Mexico Area, December 1948 - May 1950”


25 May 1950
(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):
1. In a liaison meeting with other military and government intelligence and investigative agencies in December 1948, it was determined that the frequency of unexplained aerial phenomena in the New Mexico area was such that an organized plan of reporting these observations should be undertaken. The organization and physical location of units of this District were most suitable for collecting these data, therefore, since December 1948, this District has assumed the responsibility for collecting and reporting basic information with respect to aerial phenomena occurring in this general area. These reports have been distributed to the Air Materiel Command, USAF, in accordance with Air Intelligence Requirements No. 4, and to other interested military and government agencies.

4. On 17 February 1949 and again on 14 October 1949, conferences were held at Los Alamos, New Mexico, for the purpose of discussing the green fireball phenomena. Representatives of the following organizations were present at these meetings: Fourth Army, Armed Forces Special Weapons Project, University of New Mexico, Federal Bureau of Investigation, U.S. Atomic Energy Commission, University of California, U.S Air Force Scientific Advisory Board, Geophysical Research Division Air Material Command USAF, and the Office of Special Investigations (IG) USAF. A logical explanation was not proffered with respect of the origin of the green fireballs. It was, however, generally concluded that the phenomena existed and that they should be studied scientifically until these occurrences have been satisfactorily explained. Further, that the continued occurrence of unexplained phenomena of this nature in the vicinity of sensitive installations is cause for concern.

6. This summary of observations of aerial phenomena has been prepared for the purpose of re-emphasizing and reiterating the fact that phenomena have continuously occurred in the New Mexico skies during the past 18 months and are continuing to occur, and secondly, that these phenomena are occurring in the vicinity of sensitive military and government installations.”

The letter was sent from Lieutenant Colonel Doyle Rees, USAF, District Commander, to Brigadier General Joseph F. Carroll, Director Of Special Investigations, Headquarters USAF, Washington, D.C.

Quote from the NICAP.org e-mail post that pertains to this document:
“Form: 97 Research Report
Date: Tue, 27 Dec 2005 16:48:32 +0000 (GMT)
From: daniel wilson <daniejon2000@yahoo.co.uk>
Subject: Summary of Observations of Aerial Phenomena
New Mexico Area, Dec 1949 to May 1950
To: Francis Ridge <nicap@insightbb.com>

(Note: This page was updated 14 Oct 2007 to include text for search engine purposes. See bottom of this report. - Fran Ridge)

For 18 months over 1949, 1950, unidentified flying objects had been sighted over New Mexico. They were green balls of light, generally flying horizontally in complete silence, and they were often spotted near sensitive military installation, including nuclear installations. In February and October 1949, two confidential conferences between scientists, intelligence personal, were held at Los Alamos, New Mexico, to evaluate what the ‘green fireballs’ were. The conclusion was that they were not explainable in terms of common phenomenon and that scientific study must be continued. The document underneath indicates it.

Page ID (PID) : NARA-PBB91-477 - 479
Collection : NARA Blue Book Microfilm
Roll Description : Project Blue Book Roll 91”

The U.S. Air Force project to investigate the “Green Fireball” phenomenon was called Project Twinkle.


Wikipedia article: “Project Blue Book”:


Wikipedia article: “Green fireballs”:


Wikipedia article: “Air Materiel Command”:


Wikipedia article: “Los Alamos National Laboratory”:


Wikipedia article: “Sandia National Laboratories”:


Wikipedia article: “White Sands Missile Range”:


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