Editing Project Plowshare (section)

== Nuclear tests ==
The U.S. conducted 27 PNE shots in conjunction with other, weapons-related, test series.<ref name="Executive Summary"/> A report by the [[Federation of American Scientists]] includes yields slightly different from those presented below.<ref>{{cite web |url=https://www.fas.org/sgp/othergov/doe/rdd-7.html |title=Restricted Data Declassification Decisions 1946 to the Present, RDD-7, January 1, 2001. |access-date=August 17, 2016}}</ref>

{| class="sortable wikitable" style="margin:auto;"
|+ '''Plowshare nuclear tests'''
|-
! Test name || Date || Location
!Type
!Depth of Burial
!Medium|| Yield (kilotons) || Test series
!Objective
|-
! ''[[Project Gnome|Gnome]]''
| December 10, 1961 || [[Carlsbad, New Mexico]]
|Shaft
|1,185&nbsp;ft (361 m)
|Salt|| 3 || [[Operation Nougat|Nougat]]
|A multipurpose experiment designed to provide data concerning:  (1) heat generated from a nuclear explosion; (2) isotopes production; (3)  neutron physics; (4) seismic measurements in a salt medium; and (5) design  data for developing nuclear devices specifically for peaceful uses.
|-
! ''[[Sedan (nuclear test)|Sedan]]''
| July 6, 1962 || [[Nevada Test Site]]
|Crater
|635&nbsp;ft (194 m)
|Alluvium|| 104
| [[Operation Storax|Storax]]
|An excavation experiment in alluvium to determine feasibility of  using nuclear explosions for large excavation projects, such as harbors and  canals; provide data on crater size, radiological safety, seismic effects,  and air blast.
|-
! ''Anacostia''
| November 27, 1962 || Nevada Test Site
|Shaft
|747&nbsp;ft (227.7 m)
|Tuff|| 5.2 || [[Operation Storax|Storax]]
|A device-development experiment to produce heavy elements and  provide radiochemical analysis data for the planned Coach Project.
|-
! ''Kaweah''
| February 21, 1963 || Nevada Test Site
|Shaft
|745&nbsp;ft (227.1 m)
|Alluvium|| 3 || [[Operation Dominic I and II|Dominic I and II]]
|A device-development experiment to produce heavy elements and  provide technical data for the planned Coach Project.
|-
! ''Tornillo''
| October 11, 1963 || Nevada Test Site
|Shaft
|489&nbsp;ft (149 m)
|Alluvium|| 0.38|| [[Operation Niblick|Niblick]]
|A device-development experiment to produce a clean nuclear  explosive for excavation applications.
|-
! ''Klickitat''
| February 20, 1964 || Nevada Test Site
|Shaft
|1,616&nbsp;ft (492.6 m)
|Tuff|| 70 || [[Operation Niblick|Niblick]]
|A device-development experiment to produce an improved nuclear  explosive for excavation applications.
|-
! ''Ace''
| June 11, 1964 || Nevada Test Site
|Shaft
|862&nbsp;ft (262.7 m)
|Alluvium|| 3|| [[Operation Niblick|Niblick]]
|A device-development experiment to produce an improved nuclear  explosive for excavation applications.
|-
! ''Dub''
| June 30, 1964 || Nevada Test Site
|Shaft
|848&nbsp;ft (258.5 m)
|Alluvium|| 11.7 || [[Operation Niblick|Niblick]]
|A device-development experiment to study emplacement techniques.
|-
! ''Par''
| October 9, 1964 || Nevada Test Site
|Shaft
|1,325&nbsp;ft (403.9 m)
|Alluvium|| 38 || [[Operation Whetstone|Whetstone]]
|A device-development experiment designed to increase the neutron  flux needed for the creation of heavy elements.
|-
! ''Handcar''
| November 5, 1964 || Nevada Test Site
|Shaft
|1,332&nbsp;ft (406 m)
|Dolomite  (carbonate rock)|| 12 || [[Operation Whetstone|Whetstone]]
|An emplacement experiment to study the effects of nuclear  explosions in carbonate rock.
|-
! ''Sulky''
| November 5, 1964 || Nevada Test Site
|Shaft
|90&nbsp;ft (27.4 m)
|Basalt|| 0.9 || [[Operation Whetstone|Whetstone]]
|An excavation experiment to explore cratering mechanics in hard,  dry rock and study dispersion patterns of airborne radionuclides released  under these conditions.
|-
! ''Palanquin''
| April 14, 1965 || Nevada Test Site
|Crater
|280&nbsp;ft (85.3 m)
|Rhyolite|| 4.3 || [[Operation Whetstone|Whetstone]]
|An excavation experiment in hard, dry rock to study dispersion  patterns of airborne radionuclides released under these conditions.
|-
! ''Templar''
| March 24, 1966 || Nevada Test Site
|Shaft
|495&nbsp;ft (150.9 m)
|Tuff|| 0.37 || [[Operation Flintlock (Nuclear test)|Flintlock]]
|To develop an improved nuclear explosive for excavation  applications.
|-
! ''Vulcan''
| June 25, 1966 || Nevada Test Site
|Shaft
|1,057&nbsp;ft (322.2 m)
|Alluvium|| 25 || [[Operation Flintlock (Nuclear test)|Flintlock]]
|A heavy element device-development test to evaluate neutron flux  performance.
|-
! ''Saxon''
| July 11, 1966 || Nevada Test Site
|Shaft
|502&nbsp;ft (153 m)
|Tuff|| 1.2 || [[Operation Latchkey|Latchkey]]
|A device-development experiment to improve nuclear explosives  for excavation applications.
|-
! ''Simms''
| November 6, 1966 || Nevada Test Site
|Shaft
|650&nbsp;ft (198.1 m)
|Alluvium|| 2.3 || [[Operation Latchkey|Latchkey]]
|A device-development experiment to evaluate clean nuclear  explosives for excavation applications.
|-
! ''Switch''
| June 22, 1967 || Nevada Test Site
|Shaft
|990&nbsp;ft (301.8 m)
|Tuff|| 3.1 || [[Operation Latchkey|Latchkey]]
|A device-development experiment to evaluate clean nuclear  explosives for excavation applications.
|-
! ''Marvel''
| September 21, 1967 || Nevada Test Site
|Shaft
|572&nbsp;ft (174.3 m)
|Alluvium|| 2.2 || [[Operation Crosstie|Crosstie]]
|An emplacement experiment to investigate underground  phenomenology related to emplacement techniques.
|-
! ''[[Project Gasbuggy|Gasbuggy]]''
| December 10, 1967 || [[Farmington, New Mexico]]
|Shaft
|4,240&nbsp;ft (1,292 m)
|Sandstone,  gas bearing formation|| 29 || [[Operation Crosstie|Crosstie]]
|A gas stimulation experiment to investigate the feasibility of  using nuclear explosives to stimulate a low-permeability gas field; first  Plowshare joint government-industry nuclear experiment to evaluate an  industrial application.
|-
! ''Cabriolet''
| January 26, 1968 || Nevada Test Site
|Crater
|170&nbsp;ft (51.8 m)
|Rhyolite|| 2.3 || [[Operation Crosstie|Crosstie]]
|An excavation experiment to explore cratering mechanics in hard,  dry rock and study dispersion patterns of airborne radionuclides released  under these conditions.
|-
! ''Buggy''
| March 12, 1968 || Nevada Test Site
|Crater
|135&nbsp;ft (41.1 m)
|Basalt|| data-sort-value="5.5" |5 at 1.1 each|| [[Operation Crosstie|Crosstie]]
|A five-detonation excavation experiment to study the effects and  phenomenology of nuclear row-charge excavation detonations.
|-
! ''Stoddard''
| September 17, 1968 || Nevada Test Site
|Shaft
|1,535&nbsp;ft (467.9 m)
|Tuff|| 31|| [[Operation Bowline|Bowline]]
|A device-development experiment to develop clean nuclear  explosives for excavation applications.
|-
! ''Schooner''
| December 8, 1968 || Nevada Test Site
|Crater
|365&nbsp;ft (111.3 m)
|Tuff|| 30 || [[Operation Bowline|Bowline]]
|An excavation experiment to study the effects and phenomenology  of cratering detonations in hard rock.
|-
! ''[[Rulison]]''
| September 10, 1969 || [[Grand Valley (Colorado-Utah)|Grand Valley]], [[Colorado]]
|Shaft
|8,425&nbsp;ft (2,567.9 m)
|Sandstone|| 43 || [[Operation Mandrel|Mandrel]]
|A gas stimulation experiment to investigate the feasibility of  using nuclear explosives to stimulate a low-permeability gas field; provide  engineering data on the use of nuclear explosions for gas stimulation; on  changes in gas production and recovery rates; and on techniques to reduce the  [[radioactive contamination]] to the gas.
|-
!Flask  -Green, -Yellow, -Red
| May 26, 1970 || Nevada Test Site
|Shaft
|Green,  1736&nbsp;ft (529.2 m); Yellow, 1,099&nbsp;ft (335 m); Red, 499&nbsp;ft (152.1 m)
|Green,  Tuff; Yellow and Red, Alluvium||Green,  105; Yellow, 0.9; Red, 0.4 tons|| [[Operation Mandrel|Mandrel]]
|A three-detonation device development experiment to develop  improved nuclear explosives for excavation applications.
|-
! ''Miniata''
| July 8, 1971 || Nevada Test Site
|Shaft
|1,735&nbsp;ft (528.8 m)
|Tuff|| 83 || [[Operation Grommet|Grommet]]
|To develop a clean nuclear explosive for excavation  applications.
|-
! ''[[Project Rio Blanco|Rio Blanco]]''  -1, -2, -3
| May 17, 1973 || [[Rifle, Colorado]]
|Shaft
|5,840&nbsp;ft (1,780 m); 6,230&nbsp;ft (1,898.9 m); 6,690&nbsp;ft (2,039.1 m)
|Sandstone,  gas-bearing formation|| data-sort-value="99" |3 at 33 each || [[Operation Toggle|Toggle]]
|A gas stimulation experiment to investigate the feasibility of  using nuclear explosives to stimulate a low-permeability gas field; develop  technology for recovering natural gas from reservoirs with very low  permeability.
|}