Date: Tue, 23 Aug 2005 16:02:12 +0100 (BST)
From: daniel wilson <>
Subject: Sightings in Los Alamos area Dec 1948 *
To: Francis Ridge <>

The document below just mentions the December 20, 1948 sighting. This document is rather important--just look at the distribution list.
December 20, 1948; Los Alamos, NM
AESS observation post sighted green fireball with a triangulated 7-8-mile W to E flight path calculated by LaPaz based on another independent observation at a different site. (Sparks BBU, FOIA)

OSI 17th District, Kirtland AFB, New Mexico
Subject: UNKNOWN (Aerial Phenomena)
Established dates of sightings in the New Mexico area are 5, 6, 7, 8, 11, 12, 13, 14, 20, and 28 December 1948.
The majority of the observations have been reported from the Las Vegas-Los Alamos area in northern New Mexico.
    Resident Agency, FBI
    Fourth Army Liaison Officer
    AEC Security, Sandia Base
    Intelligence Office, Sandia Base
    AESS, Los Alamos
    Field Office for Atomic Energy, Kirtland AFB
    Ohters as needed
Page ID (PID) : MAXW-PBB4-1303
Collection : Maxwell Blue Book
Roll Description : Project Blue Book Roll 4
Frames  1303 - 1305