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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.

Open the PDF at page 143 Original source ↗

“Sea”42 pages

p. 16 …An RB-29 lost in the Sea of Japan on 13 June 1952 was probably also…
p. 38 …off to about 6 percent of its sea-level thrust. Finally, low structural load factors, like…
p. 62 …U-2 landing gear and pogos .Sea,et-
p. 69 …chap. 8, pp. 1-2 (TS Codeword); Miller, Lockheed U-2. pp. 19-20. Sea,at
p. 75 …a boiling point of 300°F at sea level. Manufacturing this special fuel required petroleum byproducts…
p. 80 …pounds heavier and delivered only 10.200 pounds of thrust at sea level; the resulting Secret
p. 89 …that they could not be flown at sea level faster than 190 knots in smooth air…
p. 98 …Sec.el NOfOftN Chapter 2 Sea,et
p. 102 …working on a cover story for over seas operations. It was important to have a plausible…
p. 115 North Sea First Overflights, 20 June - 5 July 1956 ) f\ Sweden .__,_,_"-.. ) ~ STOCICHOUil -~ ✓ vf!.Sea \f Finland…
p. 116 r/ o/ North Sea 1/'. AMSTERDAM ;, 0 0 Baltic S<la --- Mission 2013 4 July - - - Mission…
p. 120 …Black SEia ~ q, TurkE~Y ~ ~111~ 13~ • ? ~ ...• o<) Mediterranean Sea () .. •• •,,, Malta (U.K.) Sec, et NOFORN ...... . . .. ·:. ·.•
p. 131 Mission 1316, 1 November 1956 Turkey Cyprus ', (U.K .) '· Mediterranean Sea lncirlik Airbase _/\ o/ t. </ \ f…
p. 139 …Soviet border from the Black Sea to the Caspian Sea and on to Afghanistan. The System…
p. 146 …On 31 July, the same aircraft made a run over the Black Sea. There were a…
p. 148 …was the first to photograph the major Soviet space launch facility east of the Aral Sea…
p. 153 …of Soviet naval maneuvers in the Barents Sea. The final overflight of Detachment A , mission 2040…
p. 154 …K~ome<e,, tOO 200Miles Norwegian Sea Barents Sea Kola Peninsula '1'v Sweden f / Finlaind…
p. 155 …Norwegian radars tracked the overflights of the Barents Sea and Murmansk in October 1957, and Col…
p. 157 …well within international airspace above the Black Sea, as was the case on 27 October I957…
p. 158 …it turned abruptly upward over the Bering Sea just west of Alaska, climbed to 110,000…
p. 166 …the Soviet border and over the Black Sea without entering Soviet airspace. In late August, as…
p. 179 Baltic ~a Finland Black Sea Tu • ' -···1~- ..... ;.. :~.: ~~~~ •' :~·f.:~<,,· ·ir.fa 0 First British Overflight, 6 December…
p. 185 …Because the Bodo airfield was involved in NATO maneuvers taking place in the Barents Sea area…
p. 215 …Caribbean Sea W- Caymanlsl"""5 I_U."-i ~,...~ _''-),.,, .";!:-, - Mission 3086 5 August Mission 3088 29 August…
p. 216 …Caribbean Sea lOOKiloml.it•~ 100 200 Mff.-s Guvtof Mex~co \\\ I \ Caribbean Sea Multiple missions…
p. 225 …forces were conducting an all-out air-sea-land drive against the rebel-held areas in…
p. 226 f. 0 0 IND/AN OCEAN 300 -- 300 IIOOMlloo .·' Philippine Sea
p. 240 …Philippine Sea South China Sea Philippines • SeGFet NOFOAl<J 72<1~ (IU)0428J 4o92
p. 248 …6eeret NOFORN Chapter 5 Sea,et
p. 257 …The use of peripheral missions prevented any further losses, although one aircraft crashed into the sea…
p. 288 275 Settee NOPORN Chapter 6 Radar testing of A-72 mockup Sea,et
p. 316 …Shortly before Leningrad, the A-12 would head west-southwest down the Baltic Sea, skirting the…
p. 317 …2 would be flying farther out to sea, safely beyond the range of all Soviet SAMs…
p. 350 …B B Afghanistan, Tashkent, Tyuratam, Kazalinsk, Aral Sea 11 August 1957 4039 McMurray Lahore B B…
p. 351 …A-2 Dushanbe, Tashkent, Tyuratam, Kazalinsk, Aral Sea 10 September 1957 4059 Hall Adana B A…
p. 369 …AQUILINE 304, 339-343 Arabs 256 Aral Sea 135 Arbenz, Jacobo 16 "Archangel-I" 262 "Archangel…
p. 371 358 &ee,et NQFQRN Index Baltic Sea 3, 303 Baltic states 104 Baltimore; Maryland 6, 9…
p. 373 …186, 201, 205, 208-209, 299, 327 Caspian Sea 126 catheterized 64 cathode-ray tube 267…
p. 382 …23-24, 109, 139, 143, 164 Kara Sea 142 Kazakh language 135 Kazakhstan 135 Kazan', Soviet…
p. 385 …301 mechanical fuel totalizer/counters 68 Mediterranean Sea 114, 116. 121, 140, 142, 153 medium-range…
p. 393 …Pennsylvania 222 Sea of Japan 3 Seaberg, John 8-9. 12. 35-36. 333 SEAFOAM 211…

130
Sec. et NOFetU~
Chapter 3
the aircraft, was a small-gauge wire with precisely spaced ferrite
beads. The wire and beads were supposed to capture incoming
70-MHz radar pulses and either trap them in the loop or weaken them
so much that they would not register as a valid radar return. This con
figuration was called the trapeze and was not very successful.
A second approach, tested in early 1958, involved the use of
plastic material containing a printed circuit designed to absorb radar
pulses in the 65- to 85-MHz range. Nicknamed "wallpaper," this ma
terial was glued to parts of the U-2's fuselage, nose, and tail.
Although the "trapeze" and "wallpaper" systems provided protection
against some Soviet radars, the systems proved ineffective against ra
dars operating below 65-MHz or above 85-MHz. Furthermore, both
of these additions degraded the U-2's performance. The weight and
drag of "trapeze" reduced the aircraft's operating ceiling by 1,500
feet, and "wallpaper" sometimes caused engines to overheat.74
SEI's research results were tested by another firm known as
Edgerton, Germeshausen & Grier (EG&G), which was also composed
of MIT faculty members. Under an Air Force contract to evaluate ra
dars, EG&G operated a small testing facility at Indian Springs,
Nevada, not far from Area 51. Although Kelly Johnson had been
closely involved with the radar deception project since its early days,
he cooperated reluctantly because he disliked adding attachments that
made his aircraft less airworthy. (Johnson's dislike of the antiradar at
tachments was reflected in the unofficial nickname for aircraft that
had been so modified-"dirty birds.") After Lockheed mechanics
had mounted the various RAINBOW devices on the prototype U-2, a
Lockheed test pilot would fly the plane over EG&G's Indian Springs
installation. This was little more than a series of radar sets and a
trailer containing instrumentation. EG&G technicians could thus re
cord and evaluate the U-2's radar returns as it traversed a specified
course over their facility. 75
This method of testing radar-deceptive modifications proved
both time consuming and dangerous. During a test flight on 2 April
1957, the "wallpaper" modification acted as insulation around the
" Records of the Scientific Engineering Institute (Project HTNAMABLE). OSA records
(TS Codeword).
" References to EG&G programs for the U-2 are contained in the later Convair contracts
for Projects FISH and KINGFISH. OSA records. job 67-B-415, box I (TS Codeword).
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Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. 406 pages are in the text index: search them above, or from the library's search.