Documents / Report

UAP Reported at Sandia Base, 1948-1950

U.S. Department of War · 1948 · 116 pages · text from the file's own layer

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From the source: Release of 2026-05-22 Incident: 1948-1950, New Mexico. This file contains 116 pages of documentation from the Armed Forces Special Weapons Program (AFSWP) – the direct, post-World War II successor to the Manhattan Project – and from the U.S. Air Force – relating to a series of sightings and investigations in Sandia, New Mexico, from 1948-1950. This file contains 209 sightings of “green orbs,” “discs,” and “fireballs” reported near the military base. Witnesses reported unidentified anomalous phenomena (UAP) maneuvering, flying out of sight, disappearing, or exploding. The documents also include the results of contemporary investigations into residual copper powder found in some areas where sightings were reported. A few of these investigations became the basis for Project Grudge, which collected reports of unidentified flying objects from various other military installations – also included in this collection.

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7 April 194.9•
SUBJECTs Security Inspection
g. Pressure has been exerted to get the Pos t 'Ehgineers to
keep the dra.inage system. clear and to take measures to check the ero
sion. These efforts will be continued but li t tle progress on erosion
control can b e expected until the rains diminish. Ditches have been
filled, dirt moved and replaced, native gras s es planted, but the rains
return too soon and much of the effort invested is therefore wasted.
Plans a.re prepared f or an interim erosin control effort, and a stud;y
is being ma.de to estinate the cost of resloping the cuts in order
that the rainfall mq be drained with less damaging results. Initial
estimates run in the neighborhood of twenty thousand dollars (t20,ooo.oo).
3. With the exception of halting the erosixm, all deficiencies
listed in the security inspection report have been cleared away. It
is therefore requested that the monthly report of action taken re
quired by cited letter be discontinued.
/(~4/./?L_
RICHARD TI' KLIN.!!i
Lt Col, USAF
CommandingNND 58378

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Report, from the pursue collection. The PDF is mirrored here; the original link is above. 116 pages are in the text index: search them above, or from the library's search.