A discussion at the Conference on Disarmament between (L-R) Joanne Adamson, Wu Haitao, and Laura Kennedy, the British, Chinese and United States Ambasadors, following the end of the session. They represent three of the P5 group, the five recognised nuclear powers. The Conference on Disarmament, established in 1979, is the only forum for nations to discuss multilateral arms control and disarmament issues. It has a primary focus nuclear weapons control and disarmament. 65 countries, and 38 observer nations, convene annually at the United Nations' Palais des Nations building for three sessions of talks totalling 24 weeks. Conference on Disarmament. Year 33, 2012 Session 1, Plenary meeting 1255. Presidency of Ethiopia.