COMIREX MAPPING, CHARTING AND GEODESY WORKING GROUP MINUTES OF MEETING HELD IN ROOM 1D918 PENTAGON 1300-1530, 24 SEPTEMBER 1968

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B01709A000500010036-8
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 6
• Document Creation Date: December 12, 2016
• Document Release Date: June 12, 2001
• Sequence Number: 36
• Publication Date: September 24, 1968
• Content Type: MIN

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COMIREX MAPPING, CHARTING AND GEODESY WORKING GROUP
Minutes of Meeting Held in Room 1D918
Pentagon
1300-1530, 24 September 1968
Purpose of Meeting - General
1. The Chairman welcomed the new representative of 25X1A
Department of Army, and three representatives from the CIA as observers
or advisers. He further pointed out that because of a conflict in
meetings would be unable to attend.
2. NRO Proposals for Meeting Worldwide Positioning Requirements
a. indicated that this was an important subject on the
agenda but regretted that the NRO representative was unable to attend.
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MCGWG-M-38
explained that Department of Defense had held several
meetings concerning the NRO proposals for worldwide positioning and
that technical evaluations covered in these meetings were the basis
for the DoD position which had been circulated to the COMIREX MC&G
Working Group on 18 September. raised a question as to
whether there was any closer agreement as to what could be achieved
through adding the Doppler to the KH-4B system. It was explained
that informal discussions with the NRO had indicated that the area of
disagreement had been narrowed and that there may not'be a major problem
in arriving at a common agreement. In essence, the DoD position was
that the adding of the TRANSIT Beacon to the KH-4B system with the
DISIC will enable exceeding the worldwide positioning accuracy require-
ment and that the SGLS will not be significant in reaching this ob-
jectiveo It was concluded that technical discussions and evaluations
should be undertaken immediately with NRO. recommended
that the Chairman ask DIA to organize a Sub- or ing Group of the
MCGWG consisting of key technical personnel to arrive at a common
understanding of what accuracies may be achieved at what cost and at
what time period b adding the TRANSIT Beacon to the KH-4B system.
Following request for comments from the group, it was
concluded to proceed with the Sub-Working Group in line with the
above objective and members were asked to furnish names of partici-
pants to requested the DIA to provide a chair-
man for t e Sub-Working Group. It was explained that this action was
essential in order to place information which would establish a common
understanding of accuracies, costs and time periods in a proposed
paper to Chairman, COMIREX, and that the Sub-.Working Group should try
to complete their action in four or five working days.
b. It was concluded that Project 482 could most likely contribute
to meeting positioning requirements in addition to adding the TRANSIT
Beacon to the KIT-4B - system, but that more technical and program
information is needed in order to evaluate its geodetic potential.
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d. explained that DIA was examining both the current
and projected accuracy requirements and target positioning programs to
provide information to be included in a proposed COMIREX paper. This
paper would also include the accuracies obtainable, cost and time period
analyses resulting from the efforts of the Sub-Working Group cited in
subparagraph a, above. It was agreed that the MC&G Workin Gro would
want to review carefully the language in such a paper.
suggested that an appropriate course of action could be the updating of
COMOR D-13/65 of June 1966 which first stated the positioning require-
ment of 450 feet horizontal and 300 feet vertical, 90% assurance
f. - urged all personnel to act promptly in providing
membership to the Sub-Working Group cited in subparagraph a. above.
Positioning of Reconnaissance Objectives
3. to provide background
concerning this subject (copy of NPIC memorandum for Chairman, COMIREX,
stamped "Working Paper" and dated 4 September 1968 was forwarded to
MCGWG members as item b. on 18 September 1968)
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generally that the whole question related to NPIC responding to the
need for positioning of reconnaissance targets. outlined
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background stating that the basic need was to position targets for
i
n response to prompt action requests from the SOC of
The technical work was performed by - and involved using
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a simple computer orbital ogram to place targets in a position for
photography, indicated that he was aware of the much
more comprehensive capability for positioning targets in DoD operational
units but that NPIC activity had progressed as a short response effort
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in which NPIC had undertaken the necessary work itself. He pointed out
that the quick response capability would be enhanced by a stellar
comparator which would obviate the need for tedious mensuration and
reduction from stellar cameras included in the SI package. The
analysis had indicated that an accuracy of three. minutes was needed
to obtain 1,000 ft. positioning accuracy and the critical factor was
the sensitivity when the camera was swung laterally to approximately
45 degrees. - asked if there had been any requests made by NPIC
to the DoD for positioning individual targets and indicated 25X1A
that he thought no requests had been made, mentioned 25X1A
that DIA had obtained a check by ACIC as to the reason there had been
such large corrections in positioning targets from efforts. 25X1A
It was disclosed through these checks and subsequent ana ysis that
the problem was not really a geodetic positioning one, but rather a
relatively simple cartographic problem to correct target coordinates
falling generally in three classes including:
a. Coordinates derived hastily or from very poor maps and charts
at small scale existing some time ago which had not been checked against
much more recent and reliable compilations from satellite photography.
b. Uncertainties as to the actual identification of the target
whether in a city or surrounding area, etc., and;
C. Plain accidental errors in arriving at the coordinates.
It was mentioned that everyone was aware of the geodetic reduction
efforts and production of Multiple Use Manuscripts at AMS and ACIC,
and the Missile Target Data Sheet positioning and the precise instal-
lation positioning at ACIC related to Series 200 charts.
pointed out that ACIC procedures in responding to positioning of
missile targets required that positions be established as near to
450 feet as possible and provided SAC within 48 hours. The DoD
capability and currently available data could be used for positioning
targets, and there had been a DIA procedure outlined for making use of
this capability for positioning targets. However, the need for such
positioning for theystem was recognized by DIA as a matter
being handled by the ICRS Committee of COMIREX and that DIA was pro-
posing to this Committee a procedure calling for DoD positioning of
targets meeting certain agreed upon criteria. Following discussion
it was agreed that the initiative on this action should be taken by
the ICRS Subcommittee. Following action to define an appropriate
positioning program, the need for quick response attitude capability
on the - system could be addressed.
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Evaluation Criteria for KH-4 and KH-4B Photography
5. This criteria had been updated by discussions between evalu-
ation personnel of AMS and DIAMC representatives and was forwarded to
members for discussion of any problems that might be indicated. Mr.
commented that he was glad to see an up-to-date expression of
e evaluation criteria. There was general agreement that the criteria
was satisfactory except that pointed out that it had been 25X1A
prepared by evaluation personne an t at the using personnel in Army
operational activities and staff personnel had not completed their
reviews and may have comments on changes. Further, it was recognized
that the effort by CIA, to place KH-4 requirements
on a computer could result in additional or modified criteria. It was
noted that the 10,000 square miles minimum area criteria seemed inap-
propriate in bad weather areas outside the Sino-Soviet and should be
changed. It was concluded that the criteria circulated to members
should be accepted as the current criteria subject to possible changes
from additional reviews and the studying of refined criteria in con-
nection with the computer programming of requirements.
Need for DISICS on KH-4B Missions
6. mentioned that the DIA analysis had concluded that
the latest schedule of three missions to be operated without DISICS as
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advanced by the NRO on 5 September was satisfactory based upon consid-
erations at this time. /wever, there were further questions asked by
the Chairman, COMIREX, which were not a ressed in the discussion at
the meet ng. ccor ingly, comments on these questions will be taken
up in the future MC&G Working Group meeting at which time MCGWG action
on this item can be complete
Utilization of UTB Film in KH-4B DISIC
7. read from a DIAMC staff action whereby contact had
been ma e wit the technical personnel of AMS, ACIC and NAVOCEANO and
agreement reached that option B of the NRO memorandum of 20 June 1968,
subject: Utilization of UTB Film in DISIC, should be adopted. This
option calls for adding 200 feet (480 frames) to the terrain film load
and the proposal was made that this UTB film be exposed over test areas.
Tests would then be accomplished, particularly by AMS and ACIC and
results achieved used as a basis to determine whether to proceed
further with UTB film.` This approach was considered satisfactory by
all members and it was agreed that a memorandum to Chairman, COMIREX,
be prepared setting forth this conclusion of the MC&G Working Group.
L, US
CHAIRMAN
COMIREX MC&G Working Group
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