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SECURITY INFORMATION
To The President - 5
As to Soviet-testing to date, we believe the more valid figures are as
follows:
RUSSIA
1957
1958
?
Source #1
Approximately 60 test
Approximately 20 test
firings over ranges 3500
firings this year over
miles or more.
ranges of 3500 miles or
more.
lso 2 thermo-nuclear
D. Elizabeth
test firings accomplished
as part of ICBM or IRBM
test flights.
Source #2
Approximately 45 firings
Approximately 10 test
over ranges of 3500 miles
firings this year, over
or more.
ranges of 3500 miles or
more.
Launching sites being
established in Murmansk
?
and Kamchatka area
The reason the number of ICBM firings, as reported by both the above
sources, is so much less to date in 1958 as against 1957, is because of
the long time lag incident to developing the final integrated analysis
of the raw data.
This time lag may in itself furnish part of the clue to the difference
between the Dulles estimates and the larger estimates we believe to be
more accurate.
In analyzing rew data from either source, there may be gradations of
opinion as to the meaning of the data. We would assume that these
gradations of analytical opinion have been assessed at the policy
level of the intelligence system. We would also assume one source of
information has been integrated with the other.
If both these steps have been taken in the assessment of the inform-
ation indicated from Sources 1 and 2, however, it is very hard to under-
stand how the final conclusion as to the rate of ICBM test activity
of the Soviets could be many times less than the raw data would
indicate.
Electrostatic reproduction made
for preservition purposes by the
Eisenhower Library for replacement
of a deteriorating manuscript item.
TOP SECRET
SECURITY INFORMATION
Document source description
Letter to President Eisenhower from Senator Stuart Symington concerning the position of Soviets and long range missiles.
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"ocrText": "TOP SECRET\nSECURITY INFORMATION\nTo The President - 5\nAs to Soviet-testing to date, we believe the more valid figures are as\nfollows:\nRUSSIA\n1957\n1958\n?\nSource #1\nApproximately 60 test\nApproximately 20 test\nfirings over ranges 3500\nfirings this year over\nmiles or more.\nranges of 3500 miles or\nmore.\nlso 2 thermo-nuclear\nD. Elizabeth\ntest firings accomplished\nas part of ICBM or IRBM\ntest flights.\nSource #2\nApproximately 45 firings\nApproximately 10 test\nover ranges of 3500 miles\nfirings this year, over\nor more.\nranges of 3500 miles or\nmore.\nLaunching sites being\nestablished in Murmansk\n?\nand Kamchatka area\nThe reason the number of ICBM firings, as reported by both the above\nsources, is so much less to date in 1958 as against 1957, is because of\nthe long time lag incident to developing the final integrated analysis\nof the raw data.\nThis time lag may in itself furnish part of the clue to the difference\nbetween the Dulles estimates and the larger estimates we believe to be\nmore accurate.\nIn analyzing rew data from either source, there may be gradations of\nopinion as to the meaning of the data. We would assume that these\ngradations of analytical opinion have been assessed at the policy\nlevel of the intelligence system. We would also assume one source of\ninformation has been integrated with the other.\nIf both these steps have been taken in the assessment of the inform-\nation indicated from Sources 1 and 2, however, it is very hard to under-\nstand how the final conclusion as to the rate of ICBM test activity\nof the Soviets could be many times less than the raw data would\nindicate.\nElectrostatic reproduction made\nfor preservition purposes by the\nEisenhower Library for replacement\nof a deteriorating manuscript item.\nTOP SECRET\nSECURITY INFORMATION"
}