Operation Hardtack 1958
Largest test series — full spectrum of weapons development
Year
1958
Tests
35
Max yield
9.3 Mt
Hiroshimas
620
Films
0
Thirty-five tests, the largest single U.S. test series. Two phases: Hardtack I in the Pacific (weapons development, including 9.3 Mt Poplar shot) and Hardtack II in Nevada (weapon effects, safety tests). Included high-altitude tests that caused unexpected electromagnetic pulse effects.
- Location
- Pacific Proving Grounds & Johnston Atoll
- Country
- USA
- Coordinates
- 11.5, 162.2 · view on map →
Films (0)
No films catalogued for this operation yet.