Courtesy of MM2 Dick Lund (56-60)
HARDTACK I detonations, 1958.
| Local Date | Assigned Name | Location | Type Burst |
| 28 April | YUCCA | Between Enewetak & Bikini | High Altitude (Balloon) |
| 06 May | CACTUS (18 KT) | Enewetak | Surface |
| 12 May | FIR | Bikini | Barge |
| 12 May | BUTTERNUT | Enewetak | Barge |
| 13 May | KOA (1.37 MT) | Enewetak | Surface |
| 16 May | WAHOO | Enewetak, in ocean | Underwater |
| 21 May | HOLLY | Enewetak | Barge |
| 22 May | NUTMEG | Bikini | Barge |
| 26 May | YELLOWWOOD | Enewetak | Barge |
| 27 May | MAGNOLIA | Enewetak | Barge |
| 30 May | TOBACCO | Enewetak | Barge |
| 31 May | SYCAMORE | Bikini | Barge |
| 03 June | ROSE | Enewetak | Barge |
| 09 June | UMBRELLA | Enewetak, lagoon | Underwater |
| 11 June | MAPLE | Bikini | Barge |
| 15 June | ASPEN | Bikini | Barge |
| 15 June | WALNUT | Enewetak | Barge |
| 18 June | LINDEN | Enewetak | Barge |
| 28 June | REDWOOD | Bikini | Barge |
| 28 June | ELDER | Enewetak | Barge |
| 29 June | OAK (8.9 MT) | Enewetak | Barge |
| 29 June | Hickory | Bikini | Barge |
| 02 July | SEQUOIA | Enewetak | Barge |
| 03 July | CEDAR | Bikini | Barge |
| 06 July | DOGWOOD | Enewetak | Barge |
| 12 July | POPLAR | Bikini | Barge |
| 14 July | SCAEVOLA (Low) | Enewetak | Barge |
| 18 July | PISONIA | Enewetak | Barge |
| 22 July | JUNIPER | Bikini | Barge |
| 23 July | OLIVE | Enewetak | Barge |
| 27 July | PINE | Enewetak | Barge |
| 31 July | TEAK (MT range) | Johnston Island area | High Altitude (Rocket) |
| 06 August | QUINCE | Enewetak | Surface |
| 11 August | ORANGE (MT range) | Johnston Island area | High Altitude (Rocket) |
| 18 August | FIG | Enewetak | Surface |
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