Operation Whetstone was a series of thirty-six American nuclear tests conducted in 1964 and 1965. These followed the Niblick series and was in turn followed by Flintlock. All but one of these blasts were conducted beneath the Nevada Test Site. The individual blasts were:
| Test Name | Date | Location | Yield | Note |
|---|---|---|---|---|
| Bye | 16 July 1964 | Nevada Test Site | 20–200 kilotons | |
| Cormorant | 17 July 1964 | Nevada Test Site | <20 kilotons | |
| Alva | 19 August 1964 | Nevada Test Site | <20 kilotons | |
| Canvasback | 22 August 1964 | Nevada Test Site | <20 kilotons | |
| Haddock | 28 August 1964 | Nevada Test Site | <20 kilotons | |
| Guanay | 4 September 1964 | Nevada Test Site | <20 kilotons | |
| Auk | 2 October 1964 | Nevada Test Site | <20 kilotons | |
| Par | 9 October 1964 | Nevada Test Site | <38 kilotons | Operation Plowshare |
| Barbel | 16 October 1964 | Nevada Test Site | <20 kilotons | |
| Salmon | 22 October 1964 | Hattiesburg, Mississippi | 5.3 kilotons | Vela Uniform |
| Crepe | 5 December 1964 | Nevada Test Site | perhaps 0.1 kiloton | |
| Drill | 5 December 1964 | Nevada Test Site | <3.4 kilotons | |
| Parrot | 16 December 1964 | Nevada Test Site | <1.3 kilotons | |
| Sulky | 18 December 1964 | Nevada Test Site | <92 tons | Operation Plowshare |
| Mudpack | 16 December 1964 | Nevada Test Site | <2.7 kilotons | |
| Gum Drop | 21 April 1965 | Nevada Test Site | <4 kilotons | |
| (Unknown) | 23 April 1965 | Nevada Test Site | (Unknown) | |
| Tee | 7 May 1965 | Nevada Test Site | <20 Kilotons | Operation Plowshare |
| Tweed | 21 May 1965 | Nevada Test Site | <20 kilotons |
