(EST Pub Date) the Office of Scientific Intelligence, 1949-68- (Volume Three, Annexes Viii, Ix, and X)

In spite of this directive, OSI continued to publish a small amount in the weaponry field but as can be seen on the chart, publications during the years 1953, 1954, and 1955 were primarily on the basic and applied sciences. Shortly thereafter, the division of effort stabilized at about fifty percent each on basic and applied sciences and has generally remained so through 1968.

Within the general category of weaponry, the primary emphasis has been on nuclear energy. In 1950, for example, 22 of the 40 OSI depth research publications were on the subject of nuclear energy and all of these were on Soviet capabilities in this field, reflecting what was then probably the most critical area of scientific intelligence. With the exception of the period from 1952 to 1956, OSI has continued to place heavy emphasis on nuclear energy and this field comprises 18 percent of the total OSI depth production through 1968. Another category of weaponry, research and development is the field of guided missiles. Intelligence production in this field has increased concurrently with increased development of missile systems throughout the world. Only a few reports on this subject were produced in the early