The Soviet Union's 1990 nuclear test series was a group of 2 nuclear tests conducted in 1990–1991. These tests followed the 1989 Soviet nuclear tests series .
The Soviet Union's 1990 nuclear test series was a group of 2 nuclear tests conducted in 1990–1991. These tests followed the 1989 Soviet nuclear tests series . (en)
The Soviet Union's 1990 nuclear test series was a group of 2 nuclear tests conducted in 1990–1991. These tests followed the 1989 Soviet nuclear tests series . (en)