Project 56 (nuclear test)
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| Project 56 (nuclear test) | |
|---|---|
| Information | |
| Country | United States |
| Test site | NTS, Areas 1–4, 6–10, Yucca Flat |
| Period | 1955–1956 |
| Number of tests | 4 |
| Test type | dry surface |
| Max. yield | 10 tonnes of TNT (42 GJ) |
| Test series chronology | |
Operation Project 56[1] was a series of 4 nuclear tests conducted by the United States in 1955–1956 at the Nevada Test Site. These tests followed the Operation Wigwam series and preceded the Operation Redwing series.
These experiments were safety tests, the purpose of which were to determine whether a weapon or warhead damaged in an accident would detonate with a nuclear yield, even if some or all of the high explosive components burned or detonated.[2][3] The procedure for these tests was to fault the test bomb by removing a detonator wire, or perhaps all but one, for example, possibly enhancing the weapon with extra initiators or an especially enriched core, and then to fire the weapon normally (see Warhead design safety). If there is any nuclear yield in the firing, then the test is deemed a failure from a safety standpoint. A successful test will measure only the chemical explosive in the test bomb exploding, which still, of course, blasts the bomb core and causes the core material to be spread over a wide area if the test is in open air, as all the Project 56 tests were.
