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:

Whetstone Test Blasts
Test Name Date Location Yield Note

Bye16 July 1964Nevada Test Site20-200 kilotons
Cormorant17 July 1964Nevada Test Site<20 kilotons
Alva19 August 1964Nevada Test Site<20 kilotons
Canvasback22 August 1964Nevada Test Site<20 kilotons
Haddock28 August 1964Nevada Test Site<20 kilotons
Guanay4 September 1964Nevada Test Site<20 kilotons
Auk2 October 1964Nevada Test Site<20 kilotons
Par9 October 1964Nevada Test Site<38 kilotonsOperation Plowshare
Barbel16 Octoberr 1964Nevada Test Site<20 kilotons
Salmon22 October 1964Hattiesburg, Mississippi5.3 kilotons
Crepe5 December 1964Nevada Test Site
Drill5 December 1964Nevada Test Site<3.4 kilotons
Parrot16 December 1964Nevada Test Site<1.3 kilotons
Sulky18 December 1964Nevada Test Site<92 tonsOperation Plowshare
Mudpack16 December 1964Nevada Test Site<2.7 kilotons
Gum Drop21 April 1965Nevada Test Site<4 kilotons
(Unknown)23 April 1965Nevada Test Site(Unknown)
Tee7 May 1965Nevada Test Site<20 KilotonsOperation Plowshare
Tweed21 May 1965Nevada Test Site<20 kilotons