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Operation Crosstie
Crosstie Buggy.
Information
Country United States
Test site 1 test Farmington, NM; 1 test Central NV; remainder Nevada Test Site
Period 1967–1968
Number of tests 48
Test type Underground
Max. yield 1.3 megatons
Navigation
Previous test Operation Latchkey
Next test Operation Bowline

Operation Crosstie[1] was a series of 48 nuclear tests mostly conducted in Nevada during 1967 and 1968. These tests followed the Latchkey series and preceded Bowline.

The blast designated Gasbuggy involved an underground detonation, intended to stimulate production of natural gas by cracking the rock in the underground formation of its deposit. The test was a double-failure, as not only the production did not increase as much as expected, but the customers also refused to buy gas contaminated with traces of radioisotopes. However, the detonation happened mostly as desired.

Buggy was a Plowshare test designed to excavate a channel. It was a simultaneous detonation of 5 devices, placed 150 feet (46 m) apart and 150 feet (46 m) below the surface that resulted in a channel 300 feet (91 m) wide, 900 feet long, and 80 feet (24 m) deep .[2]

The Faultless test was a "calibration test" conducted in a mine cavity 3,200 feet beneath the Hot Creek Valley near Tonopah, Nevada, with a yield of around 1 megatons. This test was conducted to see if the land was fit for testing a 5 megaton thermonuclear warhead for the Spartan Missile,[3] however the "calibration test" failed and was sardonically named Faultless, because of the large degree of faulting that could be seen in the roads and highways throughout the region following the test. As a result of this failed test, it was decided that the land was unfit for multimegaton nuclear tests, so a calibration test was conducted at Amchitka Island, Alaska, in the fall of 1969 during Operation Mandrel.

The individual tests of this series were:

NameDateSize
VITO July 14 < 20 kilotons
STANLEY July 27 20 to 200 kilotons
GIBSON August 4 < 20 kilotons
WASHER August 10 < 20 kilotons
BORDEAUX August 18 < 20 kilotons
LEXINGTON August 24 < 20 kilotons
DOOR MIST August 31 < 20 kilotons
YARD September 7 20 to 200 kilotons
GILROY September 15 < 20 kilotons
MARVEL September 21 2.2 kilotons
ZAZA September 27 20 to 200 kilotons
LANPHER October 18 20 to 200 kilotons
COGNAC October 25 < 20 kilotons
SAZERAC October 25 < 20 kilotons
WORTH October 25 < 20 kilotons
COBBLER November 8 < 20 kilotons
POLKA December 6 < 20 kilotons
GASBUGGY December 10 29 kilotons
STILT December 15 < 20 kilotons
HUPMOBILE January 18 7.4 kilotons
STACCATO January 19 20 to 200 kilotons
FAULTLESS (Hot Creek Valley, Nevada) January 19 < 1 megaton
BRUSH January 24 < 20 kilotons
CABRIOLET January 26 2.3 kilotons
MALLET January 31 < 20 kilotons
KNOX February 21 20 to 200 kilotons
TORCH February 21 < 20 kilotons
DORSAL FIN February 29 < 20 kilotons
RUSSET March 5 < 20 kilotons
BUGGY A, B, C, D, E March 12 5×1.08 kilotons
POMMARD March 14 1.5 kilotons
STINGER March 22 20 to 200 kilotons
MILK SHAKE March 25 < 20 kilotons
BEVEL April 4 < 20 kilotons
NOOR, THROW April 10 < 20 kilotons
SHUFFLE April 18 20 to 200 kilotons
SCROLL April 23 < 20 kilotons
BOXCAR April 26 1.3 Megatons
HATCHET May 3 < 20 kilotons
CROCK May 8 < 20 kilotons
CLARKSMOBILE May 17 20 to 200 kilotons
ADZE May 28 < 20 kilotons
WEMBLEY June 5 < 20 kilotons
TUB A, B, C, D, F June 6 5 < 20 kilotons
RICKEY June 15 20 to 200 kilotons
FUNNEL June 25 < 20 kilotons
SEVILLA June 25 < 20 kilotons
CHATEAUGAY June 28 20 to 200 kilotons

References

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