OXCART RECONNAISSANCE OF TALLINN SITES

Created: 1/1/1967

OCR scan of the original document, errors are possible

CONTENTS

I.

CONCEPT

DEFENSE ANALYSIS

AND CHARTS

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OXCART

I. REQUIREMENT

A. The Soviets have been construct inn TALLINN sites across tho Soviet Union for the past several yoars. As yet,.

Intelligence Community has boon

Collection of signal intorcopts from the Engagement Radar and high resolution photography to determine missile size, antonna pattern and configuration are essential for the solution of the TALLINN problem. When this Information is obtained, the benefits will bo twofold. At present,. Intelligence Community la forcod to an almost impossible broadening of the search spectrum

This will provide significant support and clarification to our current negotiations on tho ABU moratorium and. government decisions on our ABU program. Additionally, such data will affect DOD penetration planning for bombers and possibly ICBM's.

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C. The Soviets haveigh degree ofand control on the radiation of vital radars. They are aware of the United States' dilemma in assessing the purpose of the TALLINN system and intercept of these radars can only be accomplished by unconventional methods.

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CAPABILITY

J

KIT NT

A .

C. pecial Collection System has been installed in the OXCART aircraft. This system collects signals in0 megacycle range and is capable of recording pulse repetition frequency, pulse width, scan rate and signal amplitudes. Carried in the OXCART, this system will provide maximum coverage of the TALLINN site and the Leningrad complex when they react. If the TALLINN signal spectrum estimate is wrong and the signal is lower than the VAPOINT capability, this system, while overlapping the VAPOINT frequency, also covers the low frequency spectrum downegacycles. Additionally, because of its altitude and line of sight range to Leningrad,

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this system has the capability not available

any pertinent transmission from Leningrad.

PHOTO

amera to be carried in the OXCART will provide high resolution photographyeet) of the TALLINN site. Such resolution will permit essential photo assessment of the TALLINN missile and radar configuration.

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III. OPERATIONAL CONCEPT

ommittee approval of this proposalthe mission can be flown within thirty days. of this time will be required to complete thelogistical details and co-ordination with otherthis is completed, seven days' notico will be required.

At thatwonty-four hour alert posturo will be maintained to take advantage of optimum target weather. Necessary political approvals must be obtained during the twenty-one day period.

OXCART vehicle will enter tho Soviet earlynet and willourse oriented towardthence along the coast near Tallinn. This maneuverthe TALLINN sites into an advanced state ofengagement radar signals on the air. As the OXCARTto the TALLINN site, it will obtain highof the TALLINN radar complex and missile sites. emitted by the TALLINN radar will be intercepted by a

Special new ELINT systen aboard

The OXCART will launch from

two pre-strike

abradorhe Norwegian Soa, and two post-strike refuelingscotlandoring Air Force

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Base, ommand option,

dependent on pilot fatigue and weather, recovery of the OXCART may bo made at Loring Air Force Baso.

D. Tho mission will be flowno include no markings on the aircraft and no filed flight plan. The mission pilot will be an American civilian undor contract to CIA.

K. Tanker support for the scheduled air refuelingB will

he provided byFRS operatingircraft deployed

to Loring Air Force Base, Maine,nited Kingdom base.

In-flight refueling will be conductedrimary and air

sparo tanker provided for each refueling with either tanker

capable of providing the planned fuel transfer if required.

Fuel reserves are well abovo ostabllshed minimums with misaod

refueling alternate bases at Goose Bay, Labrador; Keflavik,

Iceland; Prestwick, Scotland; and Loring Air Force Base, Maine.

Additionally, tho mission provides for safe recovery of the

aircraft at friendly alternate bases In the remote possibility

of aircraft malfunction. Appropriate personnel will have been

briefed and recovery teams pro-positioned at Loring Air Force

Basonited Kingdom base. ack-up OXCART vehicle will

be roadlod to replace the primary vehicle if required.

F. As required, suppression of friondly radar reporting,

air space reservations, and safe passage will be coordinated

with the proper agencies prior to the mission.

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TCvPsSECRET OXCXBT

of sensitive territory will benots)0 feet altitude and above. willlight line parallel to theand then along the coastline (see map) stimulatingat TALLINN and LENINGRAD, passing within nine milesTALLINN site. This position will enable the OXCARThigh resolution photographyeet) ofsite. No overflight of the USSR mainland isplanned. Under any conceivable situation occurring inarea, emergency recovery of the OXCART will bea friendly base.

VAPOINT complex at Helsinki will bethe entire mission to intercept the signals fromthat site is provoked into operation by the OXCART.

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IV. AIR DEFENSE ANALYSIS

Woatorn USSR is one of the most heavilyIn the USSR. The approach to both Leningrad, Moscow,military-industrial centers in the Northern USSR Is bythe Baltic Soa. Tho Soviets, therefore,ensewhich Includos almost every type of equipmentold World War II types to tho latest TALL KING, BACKSIDE NET, type radars. Early warning radar. from the periphery of tho GCI, Markham (ground-to-air datand othersystoas are deployed in this area.

systoma includend the newly developedIREBARof thoso interceptors are equipped with all weatherradar and air-to-air missiles. Surface-to-airmanyewites and severul longsites.

the OXCART will probably be tracked byand fighter aircraft may be launched, the only threatOXCART remains the limited capability of theites and

] the TALLINN type long range sites. ECM

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should reduce thehroatinimum.

of tho TALLINN long range SAM or ADM sites. D. Conclusions:

The OXCART, if flying on course or at the extreme INS error on the left side, will havo minimal exposure In the Lethal range of thoites at Tallinn. If It ia flying at the extreme INS orror on the right side, It will be outside the lethal rango.

The fighter aircraft, FIREBAR,ery low capability against tho OXCART.

There may be somo danger to the OXCART from the TALLINN site at Tallinn. If, aa we believe, this systemong range SAM it willhreat to the OXCART vohicle.

Inasmuch as this will be tho first flight of this nature and It Is accomplishedory high speed, high altitude vohicle, we believe that some confusion and uncertainty will exist resultingeducod effectiveness for this mission.

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TOP BKCKKT

OXCART

V. CLIMATOLOGY

Westerly and southwesterly winds areMay through July over the Baltic coast of thewinds will shift to northeast as cold frontalpass from north to south. The southwesterly windsand moist and result in frequent fog and lowII cloud cover may be expected too 9month with periods of good weather persistingo

and Aerial Refueling Areas, Spring

Goose Bay, Labrador: Ceilings and visibilities are0 feetf the time. Cloud tops will not reach aerial refueling altitudes except when intense storms are in the vicinity.

Keflavik: Ceilings and visibilities are expected to0 feetf the time in spring and summer. Cloud tops will penetrate to0 feet when intense Icelandic storms are present.

Prestwlck: Ceilings and visibilities are expected to0 feet and/oriles moref the time. Since storm tracks generally by-pass this area, clouds do not normally penetrate aerial refueling altitudes,

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Tny SKTBRT

OXCART

4. Loring: Ceilings and visibilities usually0 feetf the time. Cloud tops vlll penetrate to aerial refueling altitudes during periods of intense storms.

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man CEongT*

OXCART

VI . COVER

2 flightrotest fromSweden, Denmark, or Finland,. Government,investigation, will acknowledge that anngagedolar navigationesultalfunction in its inertial The planned flight was up the Norwegian Coast andNorth Pole to Alaska. When the pilot realized his errorthe mission and returned to base. It will beat speeds ln excess ofinorcan rosultross deviation from course.

suitable cover story will be given to the pilot to

be used if he landsrescribed missed-aerial-refueling base. In the event of an emergency landing other than at prescribed missed-aerial-refueling bases, the pilot will adhere to the foregoing story. He will describe himselfockheed civilian test pilotest flight of the aircraft's inertial navigation system. The map destruct mechanism will be carried in theand utilized if required. Dummy maps indicating the described trans-polar flight will also be carried.

an in-flight emergency occurs which wouldthe aircraft, the pilot will endeavor to reach the

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nearest coastal area, head the aircraft seaward and eject. Prior to ejection, he should take whatever measures aro available to preclude any extended flight of theuol dump, engine shutdown, otc.

D. Under no circumstances will an emergency landing be attempted In tho Soviet Union, Poland, or East Germany.

THIl SKflUT

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Original document.

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