NND Project Number: NND 63316. By: NWD Date: 2011
TOP SECRET
SECURITY INFORMATON
other areas thus reducing our military capability in those areas, with the recognized increased risks involved therein, or to increase our military forces in beings or both.
4. The danger of an overt military attack against Southeast Asia is inherent in the existence of a hostile and aggressive Communist China, but such an attack is less probable than continued communist efforts to achieve domination through subversion. The primary threat to Southeast Asia accordingly arises from the possibility that the situation in Indochina may deteriorate as a result of the weakening of the resolve of, or as a result of the inability of the governments of France and of the Associated States to continue to oppose the Viet Minh rebellion, the military strength of which is being steadily increased by virtue of aid furnished by the Chinese Communist regime and its allies.
5. The successful defense of Tonkin is critical to the retention in non-Communist hands of mainland Southeast Asia. However, should Burma come under communist domination, a communist military advance through Thailand might make Indochina, including Tonkin, militarily indefensible. The execution of the following U. S. courses of action with respect to individual countries of the area may vary depending upon the route of communist advance into Southeast Asia.
6. Actions designed to achieve our objectives in Southeast Asia require sensitive selection and application, on the
