Operation Ranger was the fourth American nuclear test series. It was conducted in 1951 at the Nevada Test Site. All the bombs were exploded in the open air, having been dropped by B-50 bombers.
These tests centered on the practicality of developing a second generation of nuclear weapons using smaller amounts of valuable nuclear materials. Planned under the name Operation Fuast.
Ranger Test Blasts
Preceded by Sandstone, followed by Greenhouse.
| Test Name
| Date
| Location
| Yield
| Note
|
| Able | 27 January, 1951 | Nevada Test Site | 1 kiloton |
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| Baker | 28 January, 1951 | Nevada Test Site | 8 kilotons |
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| Easy | 1 February, 1951 | Nevada Test Site | 1 kiloton |
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| Baker 2 | 2 February, 1951 | Nevada Test Site | 8 kilotons |
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| Fox | 6 February, 1951 | Nevada Test Site | 22 kiloton |
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