Declassified per Executive Order 13526, Section 3.3
NND Project Number: NND 63316. By: NWD Date: 2011
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Laotian Army. Communist strength in south Laos would probably be increased by forces from North Vietnam to guard against an effort to partition Laos or an attack against the Pathet Lao forces. The Soviet airlift would probably be increased with a heavier flow of military supply into south Laos, and the Communists would probably intensify their efforts to establish a secure route for motor traffic into the south. On the other hand, if the SEATO action took place after the establishment of a coalition government in Laos under Souvanna Phouma and the conclusion of an agreement at Geneva, the Communists would probably emphasize political rather than military measures to win control of the country. In either case, the scale of Communist infiltration of men and equipment from North to South Vietnam through Laos would probably not be significantly affected.
6. If the SEATO action appeared to be proving effective in reducing the present scale of infiltration the Communists probably would increase their use of the mountain trail system through Cambodia. This is a longer and more difficult route but its use could keep at least minimum support flowing to the Viet Cong. At the same time, in order to reduce the apparent success of the SEATO action, they could intensify small unit
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