Country United States Number of tests 11 | Period 1988-1989 Start date 1988 | |
Test site NTS Area 12, Rainier Mesa; NTS Area 19, 20, Pahute Mesa; NTS, Areas 1-4, 6-10, Yucca Flat Test type underground shaft, underground tunnel Max. yield 150 kilotonnes of TNT (630 TJ) | ||
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.
References
Operation Cornerstone Wikipedia(Text) CC BY-SA