The US delegation chief Gerard Smith, director of the Arms Control and Disarmament Agency (ACDA) and State Department representative Raymond Garthoff were most concerned about stabilizing the nuclear arms race and reducing the prospects of a nuclear war. By contrast Paul Nitze, representing the Secretary of Defense, and General Royall Allison, representing the Joint Chiefs of Staff, were mainly interested in slowing down the Soviet deployment of long-range missiles so as to preserve the American advantage.