Operation Touchstone

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Template:Short description Template:Use mdy dates Template:Infobox nuclear weapons test Template:Side box

The United States's Touchstone nuclear test series was a group of 13 nuclear tests conducted in 1987–1988. These tests [note 1] followed the Operation Musketeer series and preceded the Operation Cornerstone series.

Joint Verification Experiment (JVE)

The series included Touchstone Kearsarge, a joint US-Soviet test as part of the Joint Verification Experiment (JVE). The JVE's purpose was to provide yield data to both parties about each other's nuclear test sites so that accurate remote measurements could be taken to verify each other's compliance with the Threshold Test Ban Treaty (TTBT).[1][2]

List of the nuclear tests

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United States' Touchstone series tests and detonations
Name [note 2] Date time (UT) Local time zone[note 3][3] Location[note 4] Elevation + height [note 5] Delivery [note 6]
Purpose [note 7]
Device[note 8] Yield[note 9] Fallout[note 10] References Notes
BorateScript error: No such module "anchor". Template:Dts 16:00:00.09 PST (–8 hrs)
NTS Area U2ge Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". I-131 venting detected, 0 [4][5][6][7][8][9]
WacoScript error: No such module "anchor". Template:Dts 16:30:00.09 PST (–8 hrs)
NTS Area U3lu Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9]
Mission CyberScript error: No such module "anchor". Template:Dts 16:00:00.084 PST (–8 hrs)
NTS Area U12p.02 Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". tunnel,
weapon effect
Script error: No such module "sort". [7][8][9]
KernvilleScript error: No such module "anchor". Template:Dts 18:10:00.089 PST (–8 hrs)
NTS Area U20ar Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9]
AbileneScript error: No such module "anchor". Template:Dts 17:15:00.078 PST (–8 hrs)
NTS Area U3mn Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9]
SchellbourneScript error: No such module "anchor". Template:Dts 15:35:00.108 PST (–8 hrs)
NTS Area U2gf Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". Venting detected, Script error: No such module "convert". [4][5][6][7][8][9]
LaredoScript error: No such module "anchor". Template:Dts 22:30:00.14 PST (–8 hrs)
NTS Area U3mh Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9]
ComstockScript error: No such module "anchor". Template:Dts 13:00:00.088 PST (–8 hrs)
NTS Area U20ay Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". Venting detected [6][7][8][9]
Nightingale - 2 (with Rhyolite)Script error: No such module "anchor". Template:Dts 14:00:00.079 PST (–8 hrs)
NTS Area U2ey Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
safety experiment
Script error: No such module "sort". [7][8][9] Simultaneous, separate holes.
Rhyolite - 1 (with Nightengale)Script error: No such module "anchor". Template:Dts 14:00:00.079 PST (–8 hrs)
NTS Area U2ey Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9] Simultaneous, separate holes.
AlamoScript error: No such module "anchor". Template:Dts 15:05:30.07 PST (–8 hrs)
NTS Area U19au Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9]
KearsargeScript error: No such module "anchor". Template:Dts 17:00:00.095 PST (–8 hrs)
NTS Area U19ax Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9] The American part of the Joint Verification Experiment.
Harlingen - 1Script error: No such module "anchor". Template:Dts 18:30:00.08 PST (–8 hrs)
NTS Area U6g Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". [7][8][9] Simultaneous, separate holes.
Harlingen - 2Script error: No such module "anchor". Template:Dts 18:30:00.08 PST (–8 hrs)
NTS Area U6h Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert". + underground shaft,
weapons development
Script error: No such module "sort". [7][8][9] Simultaneous, separate holes.
BullfrogScript error: No such module "anchor". Template:Dts 18:00:00.089 PST (–8 hrs)
NTS Area U4au Script error: No such module "Coordinates". Script error: No such module "sort".Script error: No such module "convert".Script error: No such module "convert". underground shaft,
weapons development
Script error: No such module "sort". Venting detected, Script error: No such module "convert". [4][5][6][7][8][9]

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  1. A bomb test may be a salvo test, defined as two or more explosions "where a period of time between successive individual explosions does not exceed 5 seconds and where the burial points of all explosive devices can be connected by segments of straight lines, each of them connecting two burial points and does not exceed 40 kilometers in length".Script error: No such module "citation/CS1".
  2. The US, France and Great Britain have code-named their test events, while the USSR and China did not, and therefore have only test numbers (with some exceptions – Soviet peaceful explosions were named). Word translations into English in parentheses unless the name is a proper noun. A dash followed by a number indicates a member of a salvo event. The US also sometimes named the individual explosions in such a salvo test, which results in "name1 – 1(with name2)". If test is canceled or aborted, then the row data like date and location discloses the intended plans, where known.
  3. To convert the UT time into standard local, add the number of hours in parentheses to the UT time; for local daylight saving time, add one additional hour. If the result is earlier than 00:00, add 24 hours and subtract 1 from the day; if it is 24:00 or later, subtract 24 hours and add 1 to the day. Historical time zone data obtained from the IANA time zone database.
  4. Rough place name and a latitude/longitude reference; for rocket-carried tests, the launch location is specified before the detonation location, if known. Some locations are extremely accurate; others (like airdrops and space blasts) may be quite inaccurate. "~" indicates a likely pro-forma rough location, shared with other tests in that same area.
  5. Elevation is the ground level at the point directly below the explosion relative to sea level; height is the additional distance added or subtracted by tower, balloon, shaft, tunnel, air drop or other contrivance. For rocket bursts the ground level is "N/A". In some cases it is not clear if the height is absolute or relative to ground, for example, Plumbbob/John. No number or units indicates the value is unknown, while "0" means zero. Sorting on this column is by elevation and height added together.
  6. Atmospheric, airdrop, balloon, gun, cruise missile, rocket, surface, tower, and barge are all disallowed by the Partial Nuclear Test Ban Treaty. Sealed shaft and tunnel are underground, and remained useful under the PTBT. Intentional cratering tests are borderline; they occurred under the treaty, were sometimes protested, and generally overlooked if the test was declared to be a peaceful use.
  7. Include weapons development, weapon effects, safety test, transport safety test, war, science, joint verification and industrial/peaceful, which may be further broken down.
  8. Designations for test items where known, "?" indicates some uncertainty about the preceding value, nicknames for particular devices in quotes. This category of information is often not officially disclosed.
  9. Estimated energy yield in tons, kilotons, and megatons. A ton of TNT equivalent is defined as 4.184 gigajoules (1 gigacalorie).
  10. Radioactive emission to the atmosphere aside from prompt neutrons, where known. The measured species is only iodine-131 if mentioned, otherwise it is all species. No entry means unknown, probably none if underground and "all" if not; otherwise notation for whether measured on the site only or off the site, where known, and the measured amount of radioactivity released.

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References

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