1982-1984 Reagan begins initiative to improve TTBT verification and the prospects for ratification. . Gorbachev starts policy of glasnost. Gorbachev and Reagan hold Reykjavik Summit. 1986-1988 Negotiantions on the verification of TTBT in Geneva. Soviet nuclear-weapons scientists, led by Mikhailov, work with their U.S. counterparts to develop verification technologies and procedures.
Soviet scientists discuss possibility of collaboration and present possible list of topics.
1989 First written offer of collaboration - Pavlovskii sends offer to Fowler. Opening of the Soviet Nuclear Design Institutes to American Scientists. Avrorin proposes thirteen areas of collaboration, in October, Mikhailov takes Eilers and U.S. delegation to visit Arzamas-16. September 1990 TTBT ratified under the Bush administration. Los Alamos Director Hecker speaks with Alessi, head of the Arms Control and Nonproliferation office of the DOE, concerning the possibility of collaborations with the Soviet nuclear institutes.