SOLID ROCKET MOTOR TEST FACILITIES, LENINGRAD, USSR

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP02T06408R000400010038-5
• Release Decision: RIPPUB
• Original Classification: T
• Document Page Count: 16
• Document Creation Date: December 28, 2016
• Document Release Date: June 24, 2003
• Sequence Number: 38
• Publication Date: February 1, 1968
• Content Type: REPORT

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DIRECTORATE OF
INTELLIGENCE
Imagery Analysis Report
Solid Rocket Motor Test Facilities,
Leningrad, USSR
Declass Review by
NIMA/DOD
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Top Secret
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Three separate, but related, solid rocket motor test facilities are located northeast of Leningrad.
Their combined total of 15 test cells and positions constitutes the largest assemblage of solid rocket
motor test facilities in the USSR.
One of the facilities was possibly complete and operational as early as 1961, but it was not con-
firmed as operational until 1963. Because of its construction timing and initial operational capability,
this facility is most likely involved in rocket motor R&D programs. The other two facilities were under
construction from 1961 to 1964 and became operational in 1964 and 1965? One of these appears to be a pro-
duction or sec eptanc s testing facility which has not yet reached its full testing capacity. The other, in
addition to motor testing, has a large support and vibration/structural test section which is believed to
support all three facilities. Based on a comparative analysis of the size and the timing of the blast
marks at all three facilities, it appears that once a rocket motor R&D program has been successfully com-
pleted at the one facility, the system is then acceptance tested at the other two facilities.
Some of the test positions at the apparent production and acceptance testing facility provide one of
the few instances of close physical similarity between Soviet and U.S. test positions. Five of the six
horizontal positions in that Leningrad facility are quite similar in configuration and spacing to the
+ However, any s
by not seen any actual motorsNat Leningrad.
the fact that we have
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IMAGERY ANALYSIS SERVICE
C0NTENT
Page
Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table IV. Blast Marks Observed at Leningrad Solid Motor Test Facilities. .
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Leningrad Solid Rocket Motor Test Facility 1 . . . . . . . . . . . . . . . . . . . . 4
Test Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Materials Handling Section . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Support and Possible Vibration/Structural Testing Section. . . . . . . . . . . 4
Chronology of Test Facility 1 . . . . . . . . . . . . . . . . . . . . . . . . . 4
Leningrad Solid Rocket Motor Test Facility 2 . . . . . . . . . . . . . . . . . . . . 7
Description of Test Facility 2 .
Chronology of Test Facility 2 . . . . . . . . . . . . . . . . . . . . . . . . . 7
Leningrad Solid Rocket Motor Test Facility 3 . . . . . . . . . . . . . . . . . . . . 10
Horizontal Test Positions. . . . . . . . . . . . . . . . . . . . . . . . . 10
Suspect Subsurface Vertical Test Position . . . . . . . . . . . . . . . . . . . 10
Possible Vibration/Structural Test Building . . . . . . . . . . . . . . . . . . 10
Chronology of Test Facility 3 . . . . . . . . . . . . . . . . . . . . . . . . . 10
Tables
Table I. Test Facility 1 .
Page
13
Table V. Construction and Testing Chronology, Leningrad Solid Rocket
Motor Test Facilities . . . . . . . . . . . . . . . . . . . . . . . 14
Illustrations
Figure 1. Leningrad Solid Rocket Motor Test Facilities and Possible
Solid Rocket Associated Plants (photograph) . . . . . . . . . . . .
Figure 2. Leningrad Solid Motor Test Facility No. 1. . . . .
Figure 3. Concept of Test Cell 2, Test Facility No. 1. .
Figurc 4. Concept of Test Cell 3, Test Facility No. 1. .
Figure 5. Leningrad Solid Motor Test Facility No. 2. . . . .
Figure 6. Test Position 1, Test Facility No. 2 .
Figure 7. Test Position 5, Test Facility No. 2 .
?g!re 8. Leningrad Solid Motor Test Facility No. 3 . . . . . . . . . . . . . . . 11
Figure 9.
Concept of Test Position 3, Test Facility No. 3. . . . . . . . . . . . 12
Figure 10. Test Position 6, Test Facility No. 3 . . . . . . . . . . . . . . . . . 13
Fiigre 11. Suspect Subsurface Vertical Test Position 7, Test
Facility No. 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table II. Test Facility 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table III. Test Facility 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
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IMAGERY ANALYSIS SERVICE
FIGURE 1. LENINGRAD SOLID MOTOR TEST FACILITIES AND POSSIBLE SOLID ROCKET ASSOCIATED PLANTS
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IMAGERY ANALYSIS SERVICE
INTRODUCTION
The Leningrad Solid Rocket Motor Test Facilities are
located along the eastern boundary of a former projectile
test range which extends from the edge of Leningrad for a
distance of about 20 nautical miles (nm) to the northeast
(Figure 1). Although separate from one another, the three
facilities are related and contain the largest concentra-
tion of solid rocket motor test cells and positions in the
USSR.
Test Facility 1 was under construction from 1961 to
1963 and was first observed complete in A
possible blast mark was seen in while part
of the facility was still under construction. The first
confirmed blast mark was observed in 0 In addi-
tion to static testing, Test Facility l is also believed
to support the other two test facilities through the use
of an elaborate support and possible vibration/structural
testing section which is not present at the other two
facilities.
Test Facility 2 was possibly complete by 1961, but
because of poor photography, blast marks could not be de-
tected at that time. Possible blast marks were observed
in 0 at which time the facility was complete, and
blast marks were confirmed inlI It is possible
that Test Facility 2 was involved in early R&D testing on
the same or similar size rockets which are now being fired
at Test Facilities 1 and 3. The similarity of rocket size
is indicated by the presence of blast marks observed at
Facility 2 which correspond to some of those seen at Fa-
cilities 1 and 3. The assumption that Test Facility 2
serves an R&D role is based on the observation of blast
marks there at least 27 months before they were observed
at Facility 3 and eleven months before they were observed
at Facility 1.
Test Facility 3 was in an early stage of construction
in 1962 and was first observed complete ml
A suspect blast mark was seen ml land a confirmed
mark was identified in Test Facility 3 is
thought to be a production test facility because of the
presence of five nearly identical test positions. These
could indicate a rather large test program indicative of
production/acceptance testing.
Construction chronology and test activity at the three
installations is shown in Table V. The lengths of blast
marks observed at the test cells from 1961 to 1967 are
shown in Table IV.
The location of the rocket propellant/motor production
plants which the facilities support has not yet been firmly
established. The Petrokrepost Probable Rocket Motor Plant,
Morozov (Figure 1), located 13 nm east of Leningrad, may
be using the test facilities; however this plant appears
too small to be the exclusive user.
Another possible user is the Leningrad Chemical
Combine, Okhtenskiy (Figure 1) which consists of at least
five separate chemical plants in northeastern Leningrad
and is probably involved in rocket production.
All mensuration was accomplished by the NPIC Technical
Intelligence Division and is considered to be accurate
within # five feet or ? five percent, whichever is greater.
LENINGRAD SOLID R0CKET MOTOR TEST FACILITT 1
The Leningrad Solid Rocket Motor Test Facility 1
(Figure 2) is located five nm northeast of Leningrad at
60-03N 30-361. It consists of three sections: a test
section, a rail-served materials handling section, and a
support and possible vibration/structural testing section.
A rail spur from the facility joins the main rail line
about one mile from the Chemical Combine, Okhtenskiy in
northeastern Leningrad, and another spur leads from this
point to the Petrokrepost Probable Rocket Motor Plant,
Morozov, approximately 14 nm to the east. Structures with-
in the facility are shown in Figure 2; their function/des-
cription and dimensions are given in Table I.
Test Section
The test section contains four, earth-barricaded,
horizontal test cells which fire directly across the ac-
cess road serving them. These are the large Test Cells 1
and 2 and the medium-size Test Cells 3 and 4.
Test Cells 1 and 2 are located approximately 330 feet
apart, and 660 and 700 feet respectively from the earth-
mounded instrumentation control building (Item 5). Test
Cell 1 appears to be slightly longer than Test Cell 2.
Dimensional details of Test Cell 2 are shown in Figure 3.
The overall dimensions of Test Cells 1 and 2 are approxi-
mately 135 by 60 feet and 120 by 60 feet, respectively,
each with a firing bay approximately t+0 feet in width,
Test Cells 3 and 4, about 180 feet apart, are iden-
tical earth-barricaded structures measuring approximately
Details of Test Cell 3 are shown in Fig-
ure
Materials Handling Section
Incoming equipment and test items delivered by rail
are off-loaded at the rail-to-road transfer facility.
Two rail-mounted bridge-cranes paralleling the transfer
facility can handle relatively large items.
A group of one large and seven small revetted stor-
age/support buildings is located in the southeastern part
of the section. These buildings are protected from ex-
plosions in the transfer facility by steep earthen blast
walls.
Support and Possible Vibration/Structural Testing Section
Vibration/structural testing of rocket motors and
general support is probably done in the eleven buildings
(Items 6-16) on the southwestern side of the test
facility.
Seven of the buildings (Items 6-10, 12 and 13) are
located in earthen barricades excavated from the natural
gullies of the hillside. This indicates that these build-
ings are used for either storage or hazardous operations
involving rocket motors. Vibration and structural tests
could possibly be accomplished in the larger high-bay
buildings (Items 8 and 10). The smaller low-bay buildings
(Items 6 and 7) and the small high-bay buildings (Items
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9 and 11) are located near the road and are more likely
to be used for less dangerous operations such as storage
and pre-post test checkout; however vibration/structural
testing may be done in some of these buildings also.
The unrevetted and more closely spaced buildings
(Items 13-16) probably serve a maintenance and adminis-
trative function for the test facility.
The absence of a large support and possible vibration
and structural testing section at the other two Leningrad
test facilities suggests that this section serves all
three, though there is a small possible vibration/struc-
tural test building at Facility 3.
Chronology of Test Facility 1
An anti-aircraft artillery unit occupied a part of
the site of the test facility during World War II. The
earthen blast walls, concrete apron, L-shaped building
(Item 18) and four of the small buildings at the materials
handling section are remnant features of this unit.
The first 0 photography of 0 though of
poor interpretability, revealed the service road along the
base of the hill, excavations at the future locations of
Test Cells 1 and 2, and excavations for buildings in the
possible vibration/structural test section.
The rail spur to the test facility and five buildings
(Items 6, 7, 9, 10 and probably 11) were observed on
photography of poor interpretability ml
These buildings may have een presen on
the earlier, poor-quality photography olI
Photography of revealed that ex-
cavating and construction were continuing at Test Cells 1
and 2 and the possible vibration/structural building
(Item 10). Excavations for the smaller test cells (3 and
4) were observed ml The support buildings
(Items 15 and 16) were observed, but were probably present
on the earlier photography.
Photography of 0 revealed that all four test
cells were complete and barricaded and that trees had been
cleared for a distance of approximately 700 feet in front
of Test Cell 2. The instrumentation/control building
(Item 5), the possible vibration/structural test buildings
(Items 8 and 10), and support buildings (Items 13 and 14)
were still under construction. By the con-
trol building (Item 5) and the possible vibration/struc-
tural test building (Item 10) were complete and road
served. The support buildings appeared complete except
for the service roads and parking aprons. The possible
vibration/structural test building (Item 8) lacked a
roof, and the earth barricade was still under construc-
tion. A faint earth scar, possibly a blast mark, was
observed at Test Position 1.
The entire test facility appeared complete and at
least partially operational when observed ml
The first evidence of test activity at Test Cell 3 con-
silted of a blast mark approximately 125 feet in length on
the snow-covered apron at this time.
A blast mark approximate) 280 feet in length was
observed at Test Cell 1 ml I Test firings may
have already been conducted a Test Cell 2 at this time,
but erosion, probably due to the removal of trees in front
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STRUCTURES AT TEST FACILITY 1
(Items Keyed to Figure 2)
Function esoription Dimensions (Feet)
1. Test Cell 1 135 by 60 (Overall)
Control Building 60 by 35 (Overall)
2. Test Cell 2
Control Building
3. Test Cell 3
Control Building
H. Test Cell 4
5. Instrumentation/
Control
Building U-Shaped
Main Section
West Wing
East Wing
6. Storage/Checkout
7. Storage/Checkout
Attached Shed
8. Possible Vibration/
Structural Testing
9. Storage/Checkout
10. Possible Vibration/
Structural Testing
11. Storage/Checkout
12. Storage/(Hazardous)
13. Maintenance/Support
14. Administration
15. Support
16. Possible Maintenance
17. Storage/Support
18. L-Shaped Building
Main Section
Attached Shed
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IMAGERY ANALYSIS SERVICE
of the cell during 1963, prevented a firm identification
of blast marks.
Evidence of continued test firings at Test Cells 1
and 2 and probable firings at Test Cell 3 were observed
in I I Dark blast marks approximately 125 feet
in length at Test Cell 3 were observed on the snow in
The first evidence of possible test firings at Test
Cell was seen in hen a nar-
row band of erosion was observed along the front of the
concrete apron.
Test activity was not observed during the first part
of 1966 because of heavy snow cover; however, test firings
were evident at all four test cells during the remainder
of the year and continued throughout 1967. Repeated
firings have caused a continual lengthening of blast marks
at all four cells. Approximate measurements of the blast
marks made from the photography were 295 feet
at Test Cell 1, 315 feet at Test Cell 2, 325 feet at Test
Cell 3, and 220 feet at Test Cell 4.
LENINGRAD SOLID ROCKET MOTOR TEST FACILITY 2
The Leningrad Solid Rocket Motor Test Facility 2
(Figure 5) is located 14 nm northeast of Leningrad and
nine nm northeast of Test Facility 1 at 60-12N 30-42E.
It contains five horizontal positons, two for larger
motors and three closely spaced positions for smaller
motors, and a possible disposal area. The test positions
are of simple design, consisting of concrete aprons lo-
cated in rough excavations.
The facility appears unfinished when compared with
the other two Leningrad test facilities. Only the main
access road and the road to Test Position 1 are paved.
The few support structures are small and appear to be
almost casually located. Bare earth around the test po-
sitions and a random pattern of unpaved roads throughout
the facility indicate that mobility within the site be-
comes extremely difficult during bad weather. Structures
within the facility are shown in Figure 5; their function
description and dimensions are given in Table II.
Test Facility 2 was apparently the "lead facility"
for the Leningrad Rocket Motor Test Facilities. While it
cannot be confirmed from photography alone, it is hypoth-
esized that Test Facility 2 was built for development
testing of the rocket motor now being tested on a pro-
duction or acceptance basis at Test Facility 3. This
hypothesis is suggested because the "open" type of test
position is found at both facilities and because the blast
marks at both facilities are of the same 500-600-foot-
length range. Furthermore, long blast marks were first
observed at Test Facility 2 in~ approximately
26 months before similar size marks were observed at Test
Facility 3. This time span would appear to be an adequate
lead time for development testing.
It is possible that Facility 2 was also involved in
development testing of the rockets now being fired at
Facility 1. This is indicated by the presence of blast
marks of 150-to-350-foot lengths at Facility 2 which cor-
respond to the 125-to-325-foot lengths at Facility 1. These
blast marks were observed at Facility 2 at least eleven
months before they were seen at Facility 1.
Description of Test Facility 2
Four horizontal test positions (Items 1-3 and 5) and
one possible horizontal test position (Item )-i-) are located
at the edge of the cliff along the eastern side of a
clearing.
Test Position 1 (Figure 6) is the largest and most
elaborate position at the facility. It consists of a
concrete apron, measuring approximately
located within an earthen-barricade formed by excavating
a natural gully.
Test Positions 2, 3, and 4 are located approximately
300 feet south of Position 1. They lack paved access
roads and paved aprons and appear to be small notches or
adits dug into the side of the cliff. Blast marks have
never been observed at Test Position 4.
Test Position 5 (Figure 7) is Located at the south-
east end of the clearing. The position consists of a small
concrete blast apron measuring approximately
located on a ledge just below the edge of the cliff.
A possible disposal area consisting of several shallow
pits is located in the southwest corner of the clearing.
This area is apparently used for the disposal: of discarded
propellant from the plants using the test facility. An
unidentified, tall, cresent-shaped structure is located
northwest of the possible disposal area. This structure
resembles no previously observed testing equipment and its
purpose is unknown. It is not likely that the structure
is related to the test program conducted at the facility.
Chronology of Test Facility 2
The facility was possibly complete when observed on
the first usable, but poor-quality, photography of
0
The cleared strip for the security fence
was visible and trees had been removed from the central
part of the facility. When next observed in
it was apparently complete. The main access road had been
added and extensive ground scarring was observed at the
test positions. This was most likely due to the removal
of trees in front of the test positions, but may have been
caused by test firings.
Firm evidence of test firings was observed on snow-
covered photography inlI A blast mark approx-
imately 500 feet in length was present at Test Position 5,
and a mark approximately 250 feet in length was observed
at Test Position 2. Large burn marks and a smoke cloud
were present at the disposal area. The unidentified, tall,
cresent-shaped structure was observed for the first time,
though it may have been present on the earlier photography.
Light-toned blast marks were evident at Test Position
1-3 and 5 throughout the summer of
blast marks measuring approximately 500 feet in length
were observed at Positions 1 and 5 and approximately 300
feet in length at Positions 2 and 3.
In 0 snow-covered large-scale photography
revealed blast marks measuring approximately 150 feet in
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length at Test Position 1, 300 feet at Test Position 2,
and 350 feet at Test Position 3. Since 1964 an apparent
increase in the lengths of blast marks at Test Positions
1 and 5 has been observed. It is possible that the appa-
rent lengthening is caused by the testing of a larger
motor, but constant use and subsequent erosion could also
produce a longer blast mark.
In 0 blast marks measuring approximately 630
and 570 feet in length were observed at Test Positions 1
and 5 respectively.
TABLE II
STRUCTURES AT TEST FACILITY 2
(Items Keyed to Figure 5)
Function/Description
1. Test Position 1
Blast Apron
Dimensions
Probable Thrust
Block
2. Test Position 2
Width of Notch/Alit
. Test Position 3
Width of Notch/Alit
4. Possible Test Position Ii-
Width of Notch/Adit
Test Position 5
Blast Apron
Dimensions
Probable Thrust
Block
6. Unidentified Object
Chord Distance
7. Support Building
8. Support Building
9. Support Building,
Earth Mounded
10. Support Building,
Earth
11. Probable Control
Building, Earth
Mounded
Dimensions (Feet)
60 (Diameter)
60 (Diameter)
150 by 60 (Overall)
* Denotes measurements made by IAS photo analyst.
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FIGURE 5. LENINGRAD SOLID MOTOR TEST FACILITY No. 2
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TEST POSITION NO.1
TEST POSITION NO.2
TEST POSITIONS NO, 3&4
Road
Temporary Road/Trail
Fence
1 Possible Earth-Mounded Building
Small Test Position
Cliff/Escarpment
Q Depression
500
500
FEET IAPPROXIMATE
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The Solid Rocket Motor Test Facility 3 (Figure 8) is
located at 60-15N 30-44E, 18 nm northeast of Leningrad and
three nm northeast of Solid Rocket Motor Test Facility 2.
It contains six horizontal test positions (Figure 8,
Items 1-6), a suspect subsurface vertical test position
(Item 7), an earth-mounded control building (Item 8), an
earth-barricaded possible vibration/structural test build-
ing (Item 9), and an earth-mounded possible storage build-
ing (Item 10). Three other buildings (Items 11-1i) are
located immediately outside the fence and probably house
the administrative/engineering and support elements for
the facility. Structures within the facility are shown
on Figure 8; their function/description and dimensions are
given in Table III.
Horizontal Test Positions
Five of the horizontal test positions (Items 1-5)
have the sam ation of a concrete pad, mea-
during about enclosed by a U-shaped
earthen barricade. The spacing between the positions is
about the some. In the northwest corner of each pad is a
building which is probably connected to a passageway ex-
tending through the rear of the barricade. Above-ground
instrumentation lines lead from each passageway to the
control/instrumentation building, which is 575 feet to the
rear of the nearest test position (Item 3).
All five of these positions originally contained a
pair of small rectangular buildings directly opposite each
other along the parallel sides of the revetment. However,
Positions 1 and 3 have since been modified by the removal
of both of these buildings and Position 5 by the removal
of one. It is possible that these buildings are portable
and can be replaced on short notice.
The rocket motor tie-down area for each pad orig-
inally appeared as a dark rectangular area aligned with
the thrust block on the projecting end of a T-shaped
building at the rear of the pad. At Position 3, however,
an enclosed irregularly shaped structure, tentatively
identified as a possible altitude simulation device, was
later installed at the tie-down position. (Figure 9 shows
Test Position 3 and the configuration of this device as it
a ears on the large-scale but non-stereo photography of
This concept is subject to considerable
change when better photography is available.) Other
changes to the basic configuration of the five positions
include a small probable camera station in the northeast
corner of the pad at Positions 1, 4, and 5 and small over-
looking camera or observation buildings on the sides of
the barricade walls at Position 3.
Three motors are fired directly across the service
road into clearings in front of these five test positions.
This distance from the thrust block of each position to
the outer edge of the road is approximately 210 feet.
The presence of five very similar positions suggests
that a production or acceptance testing role was origi-
nally planned for Facility 3. Production testing of solid
motors often requires the testing of a relatively large
sample of the total production. The fact that only three
of the positions (Numbers 2, 3, and 5) have thus far been
used indicates that full production has not been attained.
These five positions are capable of testing firing rockets
of fairly large size.
Another type of horizontal test position, Number 6
(Figure 10), is located approximately 500 feet southeast
of Test Position 5. This position apparently has never
been used. Its position consists of a paved narrow blast
apron measuring approximately with the
tie-down area located in a U-shaped earth barricade which
has vertical concrete walls. A small, road-served obser-
vation building is located on an elevated concrete pad on
top of the barricade. Cable/instrumentation lines can be
traced from the control building (Item 8'', to a small shed
located immediately north of the blast apron. Two small
camera stations are located on opposite sides of the apron
approximately 225 feet from the end of the blast apron.
This position most nearly resembles Test Position 1 at
Test Facility 3.
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The first stages of construction, consisting of tree
removal and excavating, were observed at the facility in
Suspect Subsurface Vertical Test Position
A suspect subsurface vertical Test Position 7 (Figure
11) is located approximately 300 feet northeast of Test
Position 6 and 300 feet east of Test Position 5. The posi-
tion consists of a small irregularly shaped concrete pad
containin two small structures and a hole measuring approx-
imate)Y Its diameter in the southeastern corner of
the pad. Ins rumentation lines to the position are not
observed; however, the instrumentation line to Test Posi-
tion 6, which passes approximately 30 feet to the south of
the pad, could be connected to Test Position 7 by a buried
line.
The control/instrumentation building (Item 8) is lo-
cated in the central part of the facilit This earth-
mounded building measures approximately
Above ground instrumentation lines lead from the east side
of the building to the rocket motor test positions.
Possible Vibration/Structural Test Buildings
An earthen-barricaded possible vibration/structural
test building (Item 9) is located approximately 750 feet
west of the control/instrumentation building and 650 feet
northwest of Test Position 1. The building measures
approximately feet with a high bay section mea-
suring approximate) rest in height. The
massive earthen barricade and the distance from other
structures indicate hazardous operations involving large
quantities of explosive material.
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When next ioneandd, en the roads were
under construction and the c care s rip for the security
fence was visible. Construction progressed at a fairly
L ~J/\
rapid rate during the summer of most
of the major items of the facility appeared complete except
for the control/instrumentation building (Item 8) and Test
Positions 6 and 7.
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In0 large-scale photography revealed that
earth mounding of the control building was not yet complete
and that Test Positions 6 and 7 were still under construc-
tion. In the facility was outwardly
complete and no changes were o served until
Possible evidence of test activity was observed in
when a faint possible blast mark was observed at Tes osr-
tion Firm evidence of test activity was seen in =
I Iwith a blast mark approximately 500 feet in
eng at es 'osition I. Heavy snow cover precluded
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observation of test activity during the early part of 1966.
In Q there was evidence of firi s at Test Positions 5X 1
2 and 5 and possibly 3. During snow cover
precluded observation of test ac ivr y, u when the facil-
ity was observed in= blast marks measuring approxi-
mately 480 feet and 510 feet in length were seen at Test
Positions 2 and 5 respectively. In0 blast marks
480 and 510 feet long were again observed at Test Positions
2 and 5, and a blast mark approximately 400 feet long was
observed at Test Position 3. The possible altitude simu- 25X1
lation device at Position 3 may account for the shorter
blast mark there. At this time, it is not possible to
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accurately determine when this device first appeared since
of small-scale photography. However, an object which could
have been the device was visible in 0
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 IMAGER. ANALYSIS SERVICE
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- Buried Cabe
Revetment
Earthirlcunded Building
Read
Fen
- -a- - Fence Approximate Alignment)
-- Cableway
0
FIGURE 8. LENINGRAD SOLID MOTOR TEST FACILITY No. 3
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STRUCTURES AT TEST FACILITY 3
(Items Keyed to Figure 8)
1-5. Test Positions 1-5
Concrete Pads
Probable Thrust Block
6. Test Position 6
Concrete Apron
Suspect Test Position 7
Hole Diameter
8. Control/Instrumentation
Building, Earth
Mounded
Possible Vibration/
Structural Test/
Support Building
10. Possible Storage Building,
Earth Mounded
13. Engineering/Administration
Building
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 Approved For Release 2003108105 : CIA-RDP02T06408R000400010038-5
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 Top Secret
Top Secret
Approved For Release 2003/08/05 : CIA-RDP02TO6408R000400010038-5
Approved For Release 2003/08/05 : CIA-RDP02TO6408R000400010038-5