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Arzamas-16
Main info
Detail info
Map
Nuclear explosions database
About game
Nuclear explosion Orange data
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Country
USA
Operation
Hardtack I
Date
1958-08-12
Yield
4.0 MT
USA - Hardtack I - Orange
Device: W39 A BM effects test operation newsreel.
Base info
USA
Hardtack I
USA - 4.0 MT out of 199.0 MT
2.0%
Operation Hardtack I - 4.0 MT out of 34.4 MT
12%
Location
Johnston Island
Johnston Island - 4.0 MT out of 21.1 MT
19%
Purposes
Weapon effect
Military tests
Weapon effect - 4.0 MT out of 15.1 MT
26%
Military tests - 4.0 MT out of 544.5 MT
0.7%
Deliveries
Atmospheric
Air
High altitude rocket
Atmospheric - 4.0 MT out of 295.4 MT
1.4%
Air - 4.0 MT out of 188.9 MT
2.1%
High altitude rocket - 4.0 MT out of 13.2 MT
30%
Johnston Island Map