Operation Hardtack I Tests Hardtack I Tests

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Aspen | Bikini, Namu (Charlie) | 0 + metres (ft) | Barge | Weapons development | 319 kt |
| Walnut | Enewetak, Enjebi (Janet) | 0 + metres (ft) | Barge | Weapons development | 1.5 Mt |
| Linden | Enewetak, Runit (Yvonne) | 0 + metres (ft) | Barge | Weapons development | 11 kt |
| Redwood | Bikini, Yurochi aka Irioj (Dog) | 0 + metres (ft) | Barge | Weapons development | 412 kt |
| Elder | Enewetak, Enjebi (Janet) | 0 + metres (ft) | Barge | Weapons development | 880 kt |
| Oak | Enewetak, Bogallua (Alice) | 0 + metres (ft) | Barge | Weapons development | 8.9 Mt |
| Hickory | Bikini, Eninmen (Tare) | 0 + metres (ft) | Barge | Weapons development | 14 kt |
| Sequoia | Enewetak, Runit (Yvonne) | 0 + metres (ft) | Barge | Weapons development | 5.2 kt |