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

| Name_ | Location_ | Elevation_Height | Delivery | Purpose | Yield |
|---|---|---|---|---|---|
| Moa - 1 (with Screamer) | NTS Area U3ed | metres (ft) + 0 | Underground shaft | Weapons development | 2.5 kt |
| Screamer - 2 (with Moa) | NTS Area U3dg | metres (ft) - metres (ft) | Underground shaft | Weapon effect | 9 kt |
| Elkhart | NTS Area U9bs | metres (ft) - metres (ft) | Underground shaft | Weapons development | 6 kt |
| Long Shot | Amichitka Island, Alaska | metres (ft) - metres (ft) | Underground shaft | Joint verification | 80 kt |
| Sepia | NTS Area U3en | metres (ft) - metres (ft) | Underground shaft | Weapons development | 7 kt |
| Kermet | NTS Area U2c | metres (ft) - metres (ft) | Underground shaft | Weapons development | 500 t |
| Corduroy | NTS Area U10k | metres (ft) - metres (ft) | Underground shaft | Weapons development | 120 kt |