Operation Cornerstone
The United States's Cornerstone nuclear test series was a group of 11 nuclear tests conducted in 1988–1989. These tests followed the Operation Touchstone series and preceded the Operation Aqueduct series.
The United States's Cornerstone nuclear test series was a group of 11 nuclear tests conducted in 1988–1989. These tests followed the Operation Touchstone series and preceded the Operation Aqueduct series.