emergence of major new threats to the United States. Carter had been a longtime member of the Defense Science Board and the Defense Policy Board, the principal advisory bodies to the Secretary of Defense. During the Bush administration, he was also a member of Secretary of State Condoleezza Rice's International Security Advisory Board; co-chair of the Senate Foreign Relations Committee's Policy Advisory Group; a consultant to the Defense Science Board; a member of the National Missile Defense White Team, and a member of the National Academy of Sciences Committee on International Security and Arms Control. He had testified frequently before the armed services, foreign relations, and homeland security committees of both houses of Congress. In addition to his public service, Carter was a senior partner at Global Technology Partners, focused on advising investment firms in technology and defense. He was a consultant to Goldman Sachs and Mitretek Systems on international affairs and technology matters, and spoke frequently to business and policy audiences. Carter served as an independent director on the General Electric board of directors from 2020 until his death. He was also a member of the boards of directors of the Mitre Corporation and Mitretek Systems and the advisory boards of MIT Lincoln Laboratory and Draper Laboratory. Carter was also a member of the Aspen Strategy Group, the Council on Foreign Relations, the American Physical Society, the International Institute for Strategic Studies, and the National Committee on U.S.-China Relations. Carter was elected a fellow of the American Academy of Arts and Sciences. He was named as a Fellow in the American Physical Society (Forum on Physics & Society) in 2015. Carter served as an honorary director on the board of directors at the Atlantic Council. In April 2021, Carter joined Tanium Board of Directors. From 2021, he had been a member of the President's Council of Advisors on Science and Technology (PCAST). In 2021, Carter joined Shield Capital's board of Strategic Advisors. Positions Views on Iran Carter's views on Iran had been perceived as hawkish. In 2006, he authored a report for the Carnegie Endowment for International Peace advocating use or threat of force to prevent Iran from obtaining nuclear weapons. Carter had supported diplomacy with Iran and written about methods of containing a nuclear-armed Tehran. Support for military interventions Carter was a supporter of the 2003 invasion of Iraq, as well as an advocate of "preventative" invasions of