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Declassified per Executive Order 13526, Section 3.3 NND Project Number: NND 63316. By: NWD Date: 2011  II.

On November 8, McNamara sent the following memorandum on behalf of himself, Gilpatric, and the JCS:

MEMORANDUM FOR THE PRESIDENT

The basic issue framed by the Taylor Report is whether the U.S. shall:

a. Commit itself to the clear objective of preventing the fall of South Vietnam to Communism, and

b. Support this commitment by necessary immediate military actions and preparations for possible later actions.

The Joint Chiefs, Mr. Gilpatric, and I have reached the following conclusions:

1. The fall of South Vietnam to Communism would lead to the fairly rapid extension of Communist control, or complete accommodation to Communism, in the rest of mainland Southeast Asia and in Indonesia. The strategic implications worldwide, particularly in the Orient, would be extremely serious.

2. The chances are against, probably sharply against, preventing that fall by any measures short of the introduction of U.Sc forces on a substantial scale. We accept General Taylor's judgment that the various measures proposed by him short of this are useful but will not in themselves do the job of restoring confidence and setting Diem on the way to vanning his fight.

3. The introduction of a U.S. force of the magnitude of an initial 8,000 men in a flood relief context will be of great help to Diem. However, it will not convince the other side (whether the shots are called from Moscow, Peiping, or Hanoi) that we mean business. Moreover, it probably will not tip the scales decisively We would be almost certain to get increasingly mired dom in an inconclusive struggle.

4. The other side can be convinced we mean business only if we accompany the initial force introduction by a clear commitment to the full objective stated above, accompanied by a warning through some channel to Hanoi that continued support of the Viet Cong will lead to punitive retaliation against North Vietnam.

5. If we act in this way, the ultimate possible extent of our military commitment must be faced. The struggle may be prolonged and Hanoi and Peiping may intervene overtly. In view of the Rh