Restates the prohibition of the 1919 Versailles and 1922 Washington treaties against the use of poisonous gases and adds a ban on bacteriological warfare. Signed June 17, 1925; entered into force February 8, 1928.
Internationalizes and demilitarizes the Antarctic Continent and provides for its cooperative exploration and future use. Signed December 1, 1959; entered into force June 23, 1961.
Ensures quick and reliable communications between the heads of governments of the two nuclear superpowers. Signed and entered into force June 20, 1963. Subsequent related agreements established two satellite communications circuits, with multiple terminals in each country (September 30, 1971), added a facsimile transmission capability (July 17, 1984), and upgraded facsimile capabilities (June 24, 1988).