(Archived document, may contain errors) 540 I October 21, 1986 I I WHILE OPPOSING REAGAN'S SDI MOSCOW PUSHES. ITS OWN STAR WA:RS I INTRODUCTION At the Iceland summit with Soviet General Secretary Mikhail Gorbachev, Ronald Reagan chose not to trade away the Strategic Defense Initiative (SDI) for a reduction of nuclear arms that, while substantial, would still leave the U.S. vulnerable to nuclear attack.