Operation Hardtack II Test Blasts Hardtack II Tests

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Mars | NTS Area 12f | metres (ft) - metres (ft) | underground tunnel | safety test | 13 tons |
| Mora | NTS b Area 7 | metres (ft) + metres (ft) | balloon | weapons development | 2 kilotons |
| Hidalgo | NTS Area 7b | metres (ft) + metres (ft) | balloon | safety test | 77 tons |
| Colfax | NTS Area 3k | metres (ft) - metres (ft) | underground shaft | one-point safety test | 5.5 tons |
| Tamalpais | NTS Area 12b | metres (ft) - metres (ft) | underground tunnel | weapons development | 72 tons |
| Quay | NTS Area 7c | metres (ft) + metres (ft) | tower | weapons development | 79 tons |
| Lea | NTS Area 7b | metres (ft) + metres (ft) | balloon | weapons development | 1.4 kilotons |