Documents / Official release

CIA-UAP-003, The Central Intelligence Agency and Overhead Reconnaissance; The U-2 and OXCART Programs, 1954-1974

Central Intelligence Agency · 1954 · 406 pages · text from the file's own layer

This is a Secret History Staff monograph by Gregory W. Pedlow and Donald E. Welzenbach of the Central Intelligence Agency, published in 1992. It gives a history of the CIA's manned overhead reconnaissance program from 1954 to 1974, covering the development and operation of the U-2 and the A-12 OXCART aircraft. It covers overflights of the Soviet Union, the 1960 downing of Francis Gary Powers, and later operations. One section is titled "U-2s, UFOs, and Operation BLUE BOOK."

From the source:Release of 2026-06-12 This CIA History Staff document chronicles the complete history of the U-2 and OXCART (A-12) high-altitude reconnaissance aircraft programs from 1954 to 1974, detailing their development, operations over the Soviet Union and other targets worldwide, the famous downing of Francis Gary Powers in 1960, organizational reforms following that incident, and the eventual transfer of operations from CIA to Air Force control. A more redacted version of this document has been available on CIA's public website.

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“The Advance”34 pages

  • p. 6 …255 The Phaseout of the Office of Special Activities ........ ................... 257 0 ) Chapter 6 The U-2…
  • p. 7 …319 Advances in Technology............................................... ........................... 320 Cooperation With the Air Force ............................................................. 321 Impact of the Overhead Reconnaissance…
  • p. 22 …retired from the Air Force to become the assistant director of Lockheed's Advanced Development Program…
  • p. 24 11 / Chapter 1 gravity (g's) instead of the military specification strengLh of 5.33 g…
  • p. 32 …lithium deuteride, a tech nology more advanced than the heavy water method used by US '' BEACON…
  • p. 33 …between the developed and undeveloped nations. This aggressive Soviet foreign policy. combined with advances in nuclear…
  • p. 58 …secrecy in the new project, Kelly Johnson placed it in Lockheed's Advanced Development facility at…
  • p. 65 …His software algorithms made it possible to model lens designs and determine in advance the effects…
  • p. 76 …seen on pilot Francis Gary Powers) advanced gear for the U-2 pilots. David Clark expert…
  • p. 111 …of Soviet advances in long-range bombers and missiles. The initial sighting of the new Soviet…
  • p. 114 …Adenauer be informed in advance of US plans to overfly the Soviet Union from bases in…
  • p. 174 …concentrating on developing the more advanced solid-fueled missiles rather than increasing the num ber of…
  • p. 183 …if the Soviet SAMs received sufficient advanced warning, they posed a major threat to the U…
  • p. 191 …the cover story that had been prepared and distributed in advance of the mission. The first…
  • p. 206 …In 1965 the head of OSA received a new title, Director of Special Activities. The Office…
  • p. 235 …STPOLLY added the more advanced Lockheed P3A in 1963. Between 1955 and 1967, when the CIA…
  • p. 249 …The Defense Department feared that the loss of this device with its highly advanced traveling-wave…
  • p. 250 …Chapter 5 Advanced ECM Equipment for Detachment H Demand for overhead photography of the PRC continued…
  • p. 252 …In addition, the Project TACKLE U-2s began receiving even more advanced ECM • 60 equipment. •• Mission…
  • p. 265 …but some was the result of technological advances. The ini tial order for eight of the…
  • p. 266 …This camera was actually a very advanced version of the original B camera with a new…
  • p. 282 …aircraft from the small inventory of its most advanced bomber. Even had the B-588 program…
  • p. 295 …In fact, it was an advanced version of the highly reliable B camera developed for the…
  • p. 296 …Prospective pilots had to be qualified in the most advanced fighters and be emotionally stable and…
  • p. 307 …advanced experimental jet aircraft, the A-11. which has been tested in sustained flight at more…
  • p. 310 …It was now time to find work for the most advanced aircraft ever conceived and built…
  • p. 321 …advanced aircraft ever .built was to be put out to pasture. The aban donment of the…
  • p. 325 …when the OXCART program ended in the summer of 1968, no mcire advanced successor was wait…
  • p. 326 …The most advanced aircraft of the 20th century had become an anachronism before it was ever…
  • p. 333 …ADVANCES IN TECHNOLOGY One very important byproduct of the CIA's manned reconnaissance program was the…
  • p. 334 …the end of the usefulness of the world's most advanced aircraft; its offspring, the SR…
  • p. 335 …Thus, the CIA sponsored the development of the world's most advanced aircraft-the OXCART-and…
  • p. 352 …They believed that recent advances in the minia turization of electronic technology would make possible the…
  • p. 356 343 Defense Research and Engineering, John Foster, liked the concept and provided DOD funding for ORD…
87
Although the photo intelligence gained from Project GENETRIX
was limited in quantity, it was still some of the best and most com
plete photography obtained of the Soviet Union since World War IL It
was referred to as "pioneer" photography because it provided a base
line for all future overhead photography. Even innocuous photos of
such things as forests and streams proved valuable in later years when
U-2 and satellite photography revealed construction activity.
Of still greater importance to the U-2 program, however, was the
data that US and NATO radars obtained as they tracked the paths of
the balloons-whose average altitude was 45,800 feet-over the
Soviet Bloc. This data provided the most accurate record to date of
high-altitude wind currents, knowledge that meteorologists were later
able to put to use to determine optimum flightpaths for U-2 flights.
One completely fortuitous development from Project
GENETRIX had nothing to do with the cameras but involved a steel
bar. This bar served a dual purpose: the rigging of the huge polyethyl
ene gasbag was secured to the top of the bar and the camera-payload
_and automatic-ballasting equipment was attached to the bottom. By
sheer chance, the length of the bar-91 centimeters-corresponded to
the wavelength of the radio frequency used by a Soviet radar known
by its NATO designator as TOKEN. This was an S-band radar used
by Soviet forces for early warning and ground-controlled intercept.
The bar on the GENETRIX balloons resonated when struck by
TOKEN radar pulses, making it possible for radar operators at US
and NATO installations on the periphery of the Soviet Union to locate
a number of previously unknown TOKEN radars.
These radar findings, coupled with other intercepts made during
the balloon flights, provided extensive data on Warsaw Pact radar net
works, radar sets, and ground-controlled interception techniques.
Analysis of these intercepts revealed the altitude capabilities and
tracking accuracy of radars, the methods used by Warsaw Pact nations
to notify each other of the balloons' passage (handing off), and the
altitudes at which Soviet aircraft could intercept the balloons. All of
this information could be directly applied to future U-2 missions.'~
'' Final Report. Project l 19L, 1st Air Division (Meteorological Survey) Strategic Air
Command. 5 March 1956. D-582, General Summary (TS, declassified 1979).
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 406 pages are in the text index: search them above, or from the library's search.