The Office of Scientific Intelligence 1949-68 (Vol - The Black Vault

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The result was a new directive, DCID 3/4
dated 14 August 1952.
This directive rescinded
DCID 3/3 and replaced the SIC with a Scientific
Estimates Committee (SEC).
In an annex it set
forth by disciplines the primary responsibilities
of CIA (OSI) and those of the military depart-
mental agencies.
The SEC, unlike its predecessor,
was to confine its attention to the coordination
of contributions to NIEs and was in effect barred
from otherwise participating in the business of
the member agencies,
The many subcommittees of
the SIC in fields of military interest, put toget-
her under OS1 prodding over three years of arduous
negotiation, were wiped out,
By terms of the Annex
to DCID 3/4, OS1 was assigned responsibility essen-
tially only for intelligence on the basic sciences,
medicine and scientific resources.
The military
member agencies were assigned primary responsibility
for the characteristics of military hardware and
precursor developments in applied science (the "technical"
in technical intelligence). Even in the
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nuclear energy field OS1 lost ground with the assignment
of equal responsibility to all member agencies.
DCID 3/4 was a stunning reversal for OSI. No
other single event had a more traumatic effect on
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