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scientific research and development
and are based on as thorough a search
for and assessment of available infor-
mation as time permits.
Scientific Intelligence Memoranda (SIM) --
See IM above. This category became
obsolete in 1964 after the establish-
ment in 1963 of the Scientific Intelli-
gence Brief (SIB) to provide timely
reporting.
Scientific Research Aid (SRA) -- a publi-
cation which presents systematically
arranged data for ready reference of
analysts. This category was replaced
in 1953 by the Scientific Intelligence
Research Aid (SIRA) which became obso-
lete in 1967.
Scientific Intelligence Collection Guide
(SICG) -- a compilation of research
needs systematically arranged.
With the exception of the MPs, the SICGs,
and certain sensitive reports, the above categories of
publications are presented in the attached chart which
shows the number of each type of publications that has
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