He specialized in the international disarmament issue and nuclear nonproliferation efforts. VFP states that NATO maintains nuclear weapons in violation of the Nuclear Nonproliferation Treaty. Kennedy administration had a firm commitment to the nuclear nonproliferation. The Laboratory's global environmental and nuclear nonproliferation work moved to the forefront during the 1990s. He is the Chairman Emeritus of the Subcommittee on International Terrorism, Nonproliferation and Trade. After the war he became a champion of nuclear nonproliferation. She criticised US nonproliferation policy and demanded that the United States honour its contractual obligation. Wallace also serves on the board of advisors of the Nonproliferation Policy Education Center. This nonproliferation policy has been termed the "Kobe formula". Nonproliferation and arms control are related terms. While there Kramer worked on issues related to Belarus, Moldova, Russia, Ukraine, and nonproliferation.