J. Daniel Howard Carlucci and his deputy, General Colin Powell. Howard focussed on arms control issues and remained through the signing of the Intermediate-Range Nuclear Forces Treaty in January 1988. He also dealt with many issues associated with the Iran–Contra affair. On December 21, 1987, President Reagan nominated Howard to serve as Assistant Secretary of Defense (Public Affairs) and Howard would hold this post from February 1988 through May 1989. He worked for Secretary of Defense Frank Carlucci and dealt with the aftermath of the shooting down of Iran Air Flight 655 by the U.S.S. "Vincennes" and the explosion of a gun mount
Assistant Secretary of Defense for Nuclear, Chemical & Biological Defense Programs those programs. The Deputy Assistant Secretary for Nuclear Matters's office is staffed by representatives from all areas of the nuclear community, including the U.S. Navy, the U.S. Air Force, the National Guard Bureau, the United States Nuclear Command and Control Systems Support Staff, the Defense Threat Reduction Agency, the Department of Energy, the National Nuclear Security Agency, Los Alamos National Laboratory, Lawrence Livermore National Laboratory, Sandia National Laboratories, the Kansas City Plant, and the National Security Agency. The Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control is the principal adviser to the Assistant Secretary for Defense for