[250x]So when Gorbachev announced perestroyka (change) such visits became possible. Two American Navy ships USS Thomas S. Gates (CG-51) and USS Kauffman (FFG-59) arrived to previously closed city of Sevastopol main base of Soviet and then Russian Navy at & Read more... http://englishrussia.com/2017/08/08/american-navy-sailors-visiting-sevastopol-crimea-in-1989/