Operation Flintlock (nuclear test) Operation Flintlock (nuclear test) United States' Flintlock series tests and detonations

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Izzer | NTS Area U9bp | metres (ft) - metres (ft) | Underground shaft | Weapons development | less than 20 kt |
| Pongee | NTS Area U2ah | metres (ft) - metres (ft) | Underground shaft | Weapons development | less than 20 kt |
| Bronze | NTS Area U7f | metres (ft) - metres (ft) | Underground shaft | Weapons development | 67 kt |
| Mauve | NTS Area U3dp | metres (ft) - metres (ft) | Underground shaft | Weapons development | 18 kt |
| Ticking | NTS Area U9bj | metres (ft) - metres (ft) | Underground shaft | Weapons development | 250 t |
| Centaur | NTS Area U2ak | metres (ft) - metres (ft) | Underground shaft | Weapons development | 1 kt |