Frontline report. Nuclear Files.org Ronald Reagan on the Strategic Defense Initiative Possible Soviet Responses to the US Strategic Defense Initiative (CIA document) The Reagan Files: Recently Released Documents Related to SDI. 1983 in military history Abandoned military projects of the United States Foreign relations of the United States Military history of the United States Missile defense Presidency of Ronald Reagan Reagan administration controversies Soviet Union–United States relations Space weapons 1984 establishments in the United States Organizations established in 1984 Directed-energy weapon of the United States Military space program of the United States Cold War terminology 1983 in American politics