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Korean War Statement: President Harry Truman

June 27, 1950

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Three days before he sent troops to South Korea, United States President Harry Truman issued a statement explaining the U.S. position on the war on the Korean Peninsula. The U.S. military action accompanied a United Nations (UN) Security Council resolution calling for sanctions against North Korea. At that time, the United States, Japan, and their Western allies feared that the newly formed People's Republic of China would follow the invasion of South Korea with an attack on Taiwan (formerly known as Formosa), where Nationalist forces that had been aided by the United States fled after the Communists took control of mainland China.


In Korea, the Government forces, which were armed to prevent border raids and to preserve internal security, were attacked by invading forces from North Korea. The Security Council of the United Nations called upon the invading troops to cease hostilities and to withdraw to the 38th parallel. This they have not done, but on the contrary have pressed the attack. The Security Council called upon all members of the United Nations to render every assistance to the United Nations in the execution of this resolution. In these circumstances I have ordered United States air and sea forces to give the Korean Government troops cover and support.

The attack upon Korea makes it plain beyond all doubt that Communism has passed beyond the use of subversion to conquer independent nations and will now use armed invasion and war. It has defied the orders of the Security Council of the United Nations issued to preserve international peace and security. In these circumstances the occupation of Formosa by Communist forces would be a direct threat to the security of the Pacific area and to the United States forces performing their lawful and necessary functions in that area. Accordingly I have ordered the Seventh Fleet to prevent any attack on Formosa. As a corollary of this action I am calling upon the Chinese Government on Formosa to cease all air and sea operations against the mainland. The Seventh Fleet will see that this is done. The determination of the future status of Formosa must await the restoration of security in the Pacific, a peace settlement with Japan, or consideration by the United Nations.

I have also directed that United States Forces in the Philippines be strengthened and that military assistance to the Philippine Government be accelerated.

I have similarly directed acceleration in the furnishing of military assistance to the forces of France and the Associated States in Indo-China and the dispatch of a military mission to provide close working relations with those forces.

I know that all members of the United Nations will consider carefully the consequences of this latest aggression in Korea in defiance of the Charter of the United Nations. A return to the rule of force in international affairs would have far reaching effects. The United States will continue to uphold the rule of law.

I have instructed Ambassador Austin, as the representative of the United States to the Security Council, to report these steps to the Council.