On June 18, 1979, an agreement on the limitation of strategic launchers was reached in Vienna, signed by Leonid Brezhnev and Carter at a ceremony in the Redoubt Hall of the Imperial Hofburg.  Negotiations lasted from November 17, 1969 to May 1972, in a series of meetings that began in Helsinki, with the U.S. delegation led by Gerard C. Smith, Director of the Agency for Arms Control and Disarmament. Subsequent meetings followed one another between Vienna and Helsinki. After a long stalemate, the first results of SALT I came in May 1971, when agreement was reached on ABM systems. Further discussions ended negotiations on 26 Richard Nixon and Leonid Brezhnev signed both the Ballistic Missile Treaty and the Interim Agreement between the United States of America and the Union of Soviet Socialist Republics on certain measures to limit strategic offensive weapons.  Johnson`s successor, Richard Nixon, also believed in SALT, and on November 17, 1969, formal salt talks began in Helsinki, Finland. Over the next two and a half years, the two sides debated whether or not each nation should finalize its plans for ABMs; review of a contract; and U.S. fear that the Soviets will continue to build more submarine ballistic missiles (SLBMs).
Nixon and Soviet General Secretary Leonid Brezhnev signed the ABM Treaty and the SALT Interim Agreement on May 26, 1972 in Moscow. . . .