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The United States's Mandrel nuclear test series was a group of 52 nuclear tests conducted in 1969–1970. These tests followed the Operation Bowline series and preceded the Operation Emery series.
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tests series united mandrel test 1969 1970 operation bowline emery states's nuclear group 52 conducted followed preceded references
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Operation Mandrel | Country | United States | 1.00 | infobox |
| Operation Mandrel | Max. yield | 1.9 megatonnes of TNT (7.9 PJ) | 1.00 | infobox |
| Operation Mandrel | Number of tests | 52 | 1.00 | infobox |
| Operation Mandrel | Period | 1969–1970 | 1.00 | infobox |
| Operation Mandrel | Test site | Amchitka Island, Alaska | 1.00 | infobox |
| Operation Mandrel | Test site | near Parachute, Colorado | 1.00 | infobox |
| Operation Mandrel | Test site | NTS Area 12, Rainier Mesa | 1.00 | infobox |
| Operation Mandrel | Test site | NTS Area 16, Shoshone Mountain | 1.00 | infobox |
| Operation Mandrel | Test site | NTS Area 19, 20, Pahute Mesa | 1.00 | infobox |
| Operation Mandrel | Test site | NTS Areas 5, 11, Frenchman Flat | 1.00 | infobox |
| Operation Mandrel | Test site | NTS, Areas 1–4, 6–10, Yucca Flat | 1.00 | infobox |
| Operation Mandrel | Test type | underground shaft, tunnel | 1.00 | infobox |
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