 Ultimately, concerns about the objectives of SDI and fiscal budgetary constraints forced the Reagan administration to announce the program would cease.Abrahamson accompanied President Reagan to Reykjavik, Iceland, for the Reykjavik Summit on October 11, 1986, to meet the Soviet leader, Secretary General Mikhail Gorbachev.The subject of the Strategic Defense Initiative's technological advances and their effects on the strategic nuclear balance between the United States and the Soviet Union during the last years of the Cold War was raised by the Soviets at the meeting.