Operation Hardtack I Tests Hardtack I Tests

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Nutmeg | Bikini, Eninmen (Tare) | 0 + metres (ft) | Barge | Weapons development | 25.1 kt |
| Yellowwood | Enewetak, Enjebi (Janet) | 0 + metres (ft) | Barge | Weapons development | 330 kt |
| Magnolia | Enewetak, Runit (Yvonne) | 0 + metres (ft) | Barge | Weapons development | 57 kt |
| Tobacco | Enewetak, Enjebi (Janet) | 0 + metres (ft) | Barge | Weapons development | 11.6 kt |
| Sycamore | Bikini, Namu (Charlie) | 0 + metres (ft) | Barge | Weapons development | 92 kt |
| Rose | Enewetak, Runit (Yvonne) | 0 + metres (ft) | Barge | Weapons development | 15 kt |
| Umbrella | Enewetak, Pokon (Irvin) | 0 - metres (ft) | Underwater | Weapon effect | 8 kt |
| Maple | Bikini, Yurochi aka Irioj (Dog) | 0 + metres (ft) | Barge | Weapons development | 213 kt |