Operation Hardtack II Test Blasts Hardtack II Tests

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Neptune | NTS Area 12c | metres (ft) - metres (ft) | underground tunnel | one-point safety test | 115 tons |
| Hamilton | NTS Area 5 | metres (ft) + metres (ft) | tower | weapons development | 1.2 tons |
| Logan | NTS Area 12e | metres (ft) - metres (ft) | underground tunnel | weapons development | 5 kilotons |
| Dona Ana | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 37 tons |
| Vesta | NTS Area 9e | metres (ft) + 0 | surface | one-point safety test | 24 tons |
| Rio Arriba | NTS Area 3s | metres (ft) + metres (ft) | underground tunnel | weapons development | 90 tons |
| San Juan | NTS Area 3p | metres (ft) - metres (ft) | underground shaft | one-point safety test | 0 |