196. Editorial Note
The Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, Including the Moon and Other Celestial Bodies, known as the Outer Space Treaty, was signed by Washington, London, and Moscow on January 27, 1967. The treaty was subsequently signed by representatives of 57 other nations. For text of the treaty, see American Foreign Policy: Current Documents, 1967, pages 1072–1075. For documentation on negotiation of the treaty, see Foreign Relations, 1964–1968, volume XI, page 776 (under “Celestial bodies treaty” in the index). The treaty entered into force October 10, 1967.
Chairman Kosygin and Ambassador Thompson attended the signing ceremony in Moscow. Thompson reported in telegram 2113, January 27, that following the ceremony Kosygin “brought up Vietnam saying latest news not good. He said we constantly escalating and there was now talk of our bombing airfields. When I said I knew President was earnestly trying to end conflict he said that then we should act differently.” (National Archives and Records Administration, RG 59, Central Files 1967–69, SP 4)