Operation Mandrel | |
---|---|
![]() Mandrel Mirlow, 1Mt. | |
Information | |
Country | United States |
Test site |
|
Period | 1969–1970 |
Number of tests | 52 |
Test type | underground shaft, tunnel |
Max. yield | 1.9 megatonnes of TNT (7.9 PJ) |
Test series chronology | |
The United States's Mandrel nuclear test series[1] was a group of 52 nuclear tests conducted in 1969–1970. These tests [note 1] followed the Operation Bowline series and preceded the Operation Emery series.
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 |
---|---|---|---|---|---|---|---|---|---|---|
Ildrim | July 16, 1969 13:02:30.04 | PST (–8 hrs) |
NTS Area U2au 37°07′10″N 116°03′22″W / 37.11939°N 116.05599°W | 1,256 m (4,121 ft) – 410.26 m (1,346.0 ft) | underground shaft, weapons development |
20 kt | [1][4][5][6][7] | |||
Hutch | July 16, 1969 14:55:00.04 | PST (–8 hrs) |
NTS Area U2df 37°08′22″N 116°05′18″W / 37.13953°N 116.08822°W | 1,300 m (4,300 ft) – 548.64 m (1,800.0 ft) | underground shaft, weapons development |
120 kt | Venting detected, 1.1 kCi (41 TBq) | [1][5][6][7][8][9] | ||
Spider - 1 | August 14, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U2bp1 37°09′37″N 116°03′52″W / 37.1602°N 116.06448°W | 1,292 m (4,239 ft) – 207.26 m (680.0 ft) | underground shaft, weapons development |
1 kt | Venting detected, 2 Ci (74 GBq) | [1][5][6][7][8][9] | Simultaneous, separate holes. | |
Spider - 2 | August 14, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U2bp2 37°09′30″N 116°03′53″W / 37.1582°N 116.06467°W | 1,291 m (4,236 ft) – 213 m (699 ft) | underground shaft, weapons development |
1 kt | [1][6][7][8] | Simultaneous, separate holes. | ||
Horehound | August 27, 1969 13:45:00.04 | PST (–8 hrs) |
NTS Area U3gm 36°59′34″N 115°59′47″W / 36.99267°N 115.99637°W | 1,174 m (3,852 ft) – 331.83 m (1,088.7 ft) | underground shaft, weapons development |
less than 20 kt | [1][6][7] | |||
Pliers | August 27, 1969 13:45:00.04 | PST (–8 hrs) |
NTS Area U3gn 37°01′17″N 116°02′20″W / 37.02146°N 116.03884°W | 1,187 m (3,894 ft) – 238.87 m (783.7 ft) | underground shaft, weapons development |
10 kt | Venting detected on site | [1][5][6][7][8][9] | ||
Rulison | September 10, 1969 21:00:00.01 | MST (–7 hrs) |
near Parachute, Colorado 39°24′19″N 107°56′55″W / 39.40535°N 107.94857°W | 2,498 m (8,196 ft) – 2,570 m (8,430 ft) | underground shaft, peaceful research |
40 kt | Venting detected off site | [1][7][9] | Plowshare – gas stimulation experiment. | |
Minute Steak | September 12, 1969 18:02:20.42 | PST (–8 hrs) |
NTS Area U11f 36°52′38″N 115°55′46″W / 36.87718°N 115.92936°W | 1,007 m (3,304 ft) – 264.26 m (867.0 ft) | underground shaft, weapon effect |
5 kt | Venting detected on site, 8.4 kCi (310 TBq) | [1][5][6][7][8][9] | ||
Jorum | September 16, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U20e - 37°18′51″N 116°27′42″W / 37.31408°N 116.46156°W | 1,898 m (6,227 ft) – 1,158.24 m (3,800.0 ft) | underground shaft, weapons development |
800 kt | [1][4][6][7][10] | |||
Kyack - 1 | September 20, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U2bq1 37°09′31″N 116°04′07″W / 37.15874°N 116.06863°W | 1,296 m (4,252 ft) – 192.02 m (630.0 ft) | underground shaft, weapons development |
800 t | Venting detected on site | [1][4][6][7][8][11] | Simultaneous, separate holes. | |
Kyack - 2 | September 20, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U2bq2 37°09′26″N 116°04′00″W / 37.15729°N 116.06677°W | 1,293 m (4,242 ft) – 192 m (630 ft) | underground shaft, weapons development |
1 kt | Venting detected on site, 510 Ci (19,000 GBq) | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Seaweed - 1 | October 1, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U3hk3 37°00′41″N 115°59′58″W / 37.01141°N 115.99935°W | 1,184 m (3,885 ft) – 118.43 m (388.5 ft) | underground shaft, safety experiment |
less than 20 kt | Venting detected on site, 0.00000005 Ci (1.9×10−6 GBq) | [1][6][7][8] | Simultaneous, separate holes. | |
Seaweed - 2 | October 1, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U3hkf 37°00′38″N 116°00′01″W / 37.01048°N 116.0003°W | 1,183 m (3,881 ft) – 118 m (387 ft) | underground shaft, safety experiment |
less than 20 kt | Venting detected on site | [1][6][7][8][9] | Simultaneous, separate holes. | |
Seaweed - 3 | October 1, 1969 14:30:00.04 | PST (–8 hrs) |
NTS Area U3hkc 37°00′49″N 115°59′58″W / 37.01371°N 115.99935°W | 1,184 m (3,885 ft) + | underground shaft, safety experiment |
less than 20 kt | Venting detected on site | [1][6][7][8] | Simultaneous, separate holes. | |
Milrow | October 2, 1969 22:06:00.04 | BST (–11 hrs) |
Amchitka Island, Alaska 51°24′57″N 179°10′46″E / 51.41572°N 179.17939°E | 40 m (130 ft) – 1,220 m (4,000 ft) | underground shaft, weapons development |
1 Mt | [1][5][7] | Calibration for Grommet Cannikin test. Was initially named "Ganja", until someone in the DoE got wise to it. | ||
Pipkin | October 8, 1969 14:30:00.14 | PST (–8 hrs) |
NTS Area U20b 37°15′24″N 116°26′30″W / 37.25667°N 116.44164°W | 1,965 m (6,447 ft) – 624.84 m (2,050.0 ft) | underground shaft, weapons development |
200 kt | Venting detected, 6 Ci (220 GBq) | [1][4][5][6][7][8] | ||
Seaweed B | October 16, 1969 14:00:00.04 | PST (–8 hrs) |
NTS Area U3hkd 37°00′45″N 115°59′56″W / 37.01255°N 115.99901°W | 1,185 m (3,888 ft) – 118.55 m (388.9 ft) | underground shaft, safety experiment |
less than 20 kt | Venting detected on site, 0.0000002 Ci (7.4×10−6 GBq) | [1][6][7][8] | ||
Cruet | October 29, 1969 19:30:00.04 | PST (–8 hrs) |
NTS Area U2cn 37°07′17″N 116°07′42″W / 37.12138°N 116.12829°W | 1,372 m (4,501 ft) – 263.65 m (865.0 ft) | underground shaft, weapons development |
11 kt | [1][5][6][7] | |||
Pod - 1 | October 29, 1969 20:00:00.04 | PST (–8 hrs) |
NTS Area U2ch 37°08′25″N 116°07′53″W / 37.14015°N 116.13136°W | 1,397 m (4,583 ft) – 266.7 m (875 ft) | underground shaft, weapons development |
16.7 kt | Venting detected on site, 3.9 kCi (140 TBq) | [1][6][7][8][9] | Simultaneous, separate holes. | |
Pod - 2 | October 29, 1969 20:00:00.04 | PST (–8 hrs) |
NTS Area U2ci 37°08′25″N 116°08′34″W / 37.1404°N 116.1427°W | 1,464 m (4,803 ft) + | underground shaft, weapons development |
16.7 kt | Venting detected on site | [1][6][7][8] | Simultaneous, separate holes. | |
Pod - 3 | October 29, 1969 20:00:00.04 | PST (–8 hrs) |
NTS Area U2dj 37°08′11″N 116°08′27″W / 37.13628°N 116.14083°W | 1,448 m (4,751 ft) + | underground shaft, weapons development |
16.7 kt | Venting detected on site | [1][6][7][8] | Simultaneous, separate holes. | |
Pod - 4 | October 29, 1969 20:00:00.04 | PST (–8 hrs) |
NTS Area U2ck 37°08′07″N 116°08′13″W / 37.13532°N 116.13694°W | 1,424 m (4,672 ft) – 312 m (1,024 ft) | underground shaft, weapons development |
16.7 kt | Venting detected on site | [1][6][7][8][9] | Simultaneous, separate holes. | |
Calabash | October 29, 1969 22:01:51.04 | PST (–8 hrs) |
NTS Area U2av 37°08′36″N 116°03′54″W / 37.14326°N 116.06501°W | 1,283 m (4,209 ft) – 624.84 m (2,050.0 ft) | underground shaft, weapons development |
110 kt | [1][5][6][7][10] | |||
Scuttle | November 13, 1969 15:15:00.13 | PST (–8 hrs) |
NTS Area U2bh 37°09′53″N 116°04′33″W / 37.16462°N 116.07576°W | 1,312 m (4,304 ft) – 164.59 m (540.0 ft) | underground shaft, weapons development |
1.7 kt | Venting detected, 210 Ci (7,800 GBq) | [1][6][7][8][9] | ||
Piccalilli | November 21, 1969 14:52:00.04 | PST (–8 hrs) |
NTS Area U3fc 37°01′52″N 116°00′10″W / 37.03118°N 116.00276°W | 1,195 m (3,921 ft) – 393.8 m (1,292 ft) | underground shaft, weapons development |
22 kt | [1][5][6][7][10] | |||
Planer | November 21, 1969 14:52:00.08 | PST (–8 hrs) |
NTS Area U3ei 37°00′53″N 116°01′24″W / 37.01481°N 116.02347°W | 1,183 m (3,881 ft) – 377.84 m (1,239.6 ft) | underground shaft, weapons development |
20 kt | [1][6][7][10] | |||
Diesel Train | December 5, 1969 17:00:00.04 | PST (–8 hrs) |
NTS Area U12e.11 37°10′48″N 116°12′42″W / 37.17992°N 116.21174°W | 2,207 m (7,241 ft) – 419.15 m (1,375.2 ft) | tunnel, weapon effect |
20 kt | [1][4][6][7][10] | |||
Culantro - 1 | December 10, 1969 15:00:00.04 | PST (–8 hrs) |
NTS Area U3hia 37°00′53″N 116°00′13″W / 37.01469°N 116.00362°W | 1,181 m (3,875 ft) – 134.13 m (440.1 ft) | underground shaft, weapons development |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Culantro - 2 | December 10, 1969 15:00:00.04 | PST (–8 hrs) |
NTS Area U3hib 37°00′54″N 116°00′07″W / 37.01489°N 116.0019°W | 1,182 m (3,878 ft) + | underground shaft, weapons development |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Tun - 1 | December 10, 1969 15:30:00.07 | PST (–8 hrs) |
NTS Area U10am1 37°10′04″N 116°04′49″W / 37.16771°N 116.08023°W | 1,323 m (4,341 ft) – 193.55 m (635.0 ft) | underground shaft, weapons development |
2.5 kt | Venting detected on site | [1][4][6][7][8][11] | Simultaneous, separate holes. | |
Tun - 2 | December 10, 1969 15:30:00.07 | PST (–8 hrs) |
NTS Area U10am2 37°10′10″N 116°04′49″W / 37.16945°N 116.08019°W | 1,324 m (4,344 ft) – 194 m (636 ft) | underground shaft, weapons development |
2 kt | Venting detected on site, 72 Ci (2,700 GBq) | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Tun - 3 | December 10, 1969 15:30:00.07 | PST (–8 hrs) |
NTS Area U10am3 37°10′04″N 116°04′41″W / 37.16769°N 116.07797°W | 1,319 m (4,327 ft) – 194 m (636 ft) | underground shaft, weapons development |
2 kt | Venting detected on site | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Tun - 4 | December 10, 1969 15:30:00.07 | PST (–8 hrs) |
NTS Area U10am4 37°10′10″N 116°04′41″W / 37.16947°N 116.07796°W | 1,320 m (4,330 ft) – 256 m (840 ft) | underground shaft, weapons development |
3 kt | Venting detected on site | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Grape A | December 17, 1969 15:00:00.04 | PST (–8 hrs) |
NTS Area U7s 37°05′00″N 116°00′10″W / 37.08333°N 116.00266°W | 1,274 m (4,180 ft) – 550.67 m (1,806.7 ft) | underground shaft, weapons development |
89 kt | [1][5][6][7][10] | |||
Lovage | December 17, 1969 15:15:00.04 | PST (–8 hrs) |
NTS Area U3fe 37°00′24″N 116°01′25″W / 37.00661°N 116.02356°W | 1,181 m (3,875 ft) – 378.05 m (1,240.3 ft) | underground shaft, weapons development |
16 kt | [1][5][6][7][10] | |||
Terrine-White - 1 | December 18, 1969 19:00:00.04 | PST (–8 hrs) |
NTS Area U9bi1 37°07′14″N 116°02′08″W / 37.12044°N 116.03551°W | 1,264 m (4,147 ft) – 461.77 m (1,515.0 ft) | underground shaft, weapons development |
38 kt | Venting detected, 48 Ci (1,800 GBq) | [1][6][7][8][9][10] | Simultaneous, separate holes. | |
Terrine-Yellow - 2 | December 18, 1969 19:00:00.04 | PST (–8 hrs) |
NTS Area U9bi2 37°07′14″N 116°01′47″W / 37.12044°N 116.0297°W | 1,277 m (4,190 ft) – 417 m (1,368 ft) | underground shaft, weapons development |
unknown yield | Venting detected | [1][6][7][8][9] | Simultaneous, separate holes. | |
Fob-Blue - 3 | January 23, 1970 16:30:00.21 | PST (–8 hrs) |
NTS Area U9iy27 37°08′26″N 116°02′01″W / 37.14063°N 116.03351°W | 1,273 m (4,177 ft) + | underground shaft, weapons development |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Fob-Green - 1 | January 23, 1970 16:30:00.21 | PST (–8 hrs) |
NTS Area U9iv27 37°08′26″N 116°02′16″W / 37.14066°N 116.03764°W | 1,266 m (4,154 ft) – 266.7 m (875 ft) | underground shaft, weapons development |
8 kt | [1][5][6][7] | Simultaneous, separate holes. | ||
Fob-Red - 2 | January 23, 1970 16:30:00.21 | PST (–8 hrs) |
NTS Area U9iv24 37°08′15″N 116°02′16″W / 37.13737°N 116.03765°W | 1,263 m (4,144 ft) + | underground shaft, weapons development |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Ajo | January 30, 1970 17:00:00.04 | PST (–8 hrs) |
NTS Area U3gd 37°01′51″N 116°02′08″W / 37.03079°N 116.03562°W | 1,191 m (3,907 ft) – 304.11 m (997.7 ft) | underground shaft, weapons development |
20 kt | [1][4][5][6][7] | |||
Belen | February 4, 1970 17:00:00.07 | PST (–8 hrs) |
NTS Area U3br 37°03′18″N 116°02′23″W / 37.05497°N 116.03971°W | 1,206 m (3,957 ft) – 420.8 m (1,381 ft) | underground shaft, weapons development |
97 kt | [1][6][7][10][11] | |||
Grape B | February 4, 1970 17:00:00.04 | PST (–8 hrs) |
NTS Area U7v 37°05′53″N 116°01′39″W / 37.09804°N 116.02737°W | 1,269 m (4,163 ft) – 554.46 m (1,819.1 ft) | underground shaft, weapons development |
120 kt | [1][5][6][7][10] | |||
Labis | February 5, 1970 15:00:00.04 | PST (–8 hrs) |
NTS Area U10an 37°09′50″N 116°02′23″W / 37.16392°N 116.0397°W | 1,286 m (4,219 ft) – 441.96 m (1,450.0 ft) | underground shaft, weapons development |
25 kt | [1][5][6][7] | |||
Diana Mist | February 11, 1970 19:15:00.04 | PST (–8 hrs) |
NTS Area U12n.06 37°12′04″N 116°12′22″W / 37.20123°N 116.2061°W | 2,229 m (7,313 ft) – 402.02 m (1,319.0 ft) | tunnel, weapon effect |
12 kt | [1][4][6][7][10] | |||
Cumarin | February 25, 1970 14:28:38.04 | PST (–8 hrs) |
NTS Area U3gz 37°02′12″N 116°00′00″W / 37.03655°N 116.00013°W | 1,206 m (3,957 ft) – 408.51 m (1,340.3 ft) | underground shaft, weapons development |
51 kt | [1][5][6][7][10] | |||
Yannigan-Blue - 2 | February 26, 1970 15:30:00.04 | PST (–8 hrs) |
NTS Area U2ay3 37°06′50″N 116°04′00″W / 37.11375°N 116.06664°W | 1,258 m (4,127 ft) – 394 m (1,293 ft) | underground shaft, weapons development |
20 kt | Venting detected | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Yannigan-Red - 1 | February 26, 1970 15:30:00.04 | PST (–8 hrs) |
NTS Area U2ay1 37°06′59″N 116°03′44″W / 37.11631°N 116.06232°W | 1,258 m (4,127 ft) – 388.62 m (1,275.0 ft) | underground shaft, weapons development |
70 kt | Venting detected, 320 Ci (12,000 GBq) | [1][4][5][6][7][8] | Simultaneous, separate holes. | |
Yannigan-White - 3 | February 26, 1970 15:30:00.04 | PST (–8 hrs) |
NTS Area U2ay2 37°07′05″N 116°04′01″W / 37.11793°N 116.06708°W | 1,261 m (4,137 ft) – 363 m (1,191 ft) | underground shaft, weapons development |
30 kt | Venting detected | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Cyathus | March 6, 1970 14:24:00.94 | PST (–8 hrs) |
NTS Area U8b 37°10′23″N 116°05′34″W / 37.17311°N 116.09266°W | 1,353 m (4,439 ft) – 289.56 m (950.0 ft) | underground shaft, weapons development |
8.7 kt | Venting detected, less than 46 Ci (1,700 GBq) | [1][5][6][7][8][9] | ||
Arabis-Blue - 3 | March 6, 1970 15:00:00.21 | PST (–8 hrs) |
NTS Area U9itsz26 37°08′22″N 116°02′16″W / 37.13956°N 116.03764°W | 1,265 m (4,150 ft) + | underground shaft, safety experiment |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Arabis-Green - 2 | March 6, 1970 15:00:00.21 | PST (–8 hrs) |
NTS Area U9itsx28 37°08′30″N 116°02′06″W / 37.14174°N 116.03488°W | 1,270 m (4,170 ft) + | underground shaft, weapons development |
less than 20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Arabis-Red - 1 | March 6, 1970 15:00:00.21 | PST (–8 hrs) |
NTS Area U9itsv26 37°08′22″N 116°01′56″W / 37.13955°N 116.03218°W | 1,276 m (4,186 ft) – 249.94 m (820.0 ft) | underground shaft, weapons development |
3.5 kt | [1][5][6][7] | Simultaneous, separate holes. | ||
Jal | March 19, 1970 14:03:30.04 | PST (–8 hrs) |
NTS Area U3hh 37°00′04″N 116°01′25″W / 37.00104°N 116.02359°W | 1,178 m (3,865 ft) – 301.39 m (988.8 ft) | underground shaft, weapons development |
6 kt | [1][4][5][6][7] | |||
Shaper | March 23, 1970 23:05:00.04 | PST (–8 hrs) |
NTS Area U7r 37°05′10″N 116°01′19″W / 37.08618°N 116.02198°W | 1,252 m (4,108 ft) – 560.44 m (1,838.7 ft) | underground shaft, weapons development |
89 kt | [1][5][6][7][10] | |||
Handley | March 26, 1970 19:00:00.2 | PST (–8 hrs) |
NTS Area U20m 37°18′02″N 116°32′06″W / 37.30042°N 116.535°W | 1,772 m (5,814 ft) – 1,209.14 m (3,967.0 ft) | underground shaft, weapons development |
1.9 Mt | [1][4][5][6][7] | |||
Snubber | April 21, 1970 14:30:00.04 | PST (–8 hrs) |
NTS Area U3ev2s 37°03′16″N 115°59′21″W / 37.05451°N 115.98926°W | 1,253 m (4,111 ft) – 343.5 m (1,127 ft) | underground shaft, weapon effect |
12.7 kt | Venting detected off site, 55 kCi (2,000 TBq) | [1][4][6][7][8][9] | ||
Can-Green - 1 | April 21, 1970 15:00:00.04 | PST (–8 hrs) |
NTS Area U2dd1 37°06′44″N 116°04′58″W / 37.11236°N 116.08281°W | 1,266 m (4,154 ft) – 274.32 m (900.0 ft) | underground shaft, weapons development |
20 kt | [1][4][5][6][7] | Simultaneous, separate holes. | ||
Can-Red - 2 | April 21, 1970 15:00:00.04 | PST (–8 hrs) |
NTS Area U2dd4 37°06′56″N 116°04′52″W / 37.11554°N 116.08098°W | 1,268 m (4,160 ft) + | underground shaft, weapons development |
20 kt | [1][6][7] | Simultaneous, separate holes. | ||
Beebalm | May 1, 1970 14:13:00.04 | PST (–8 hrs) |
NTS Area U3fn 37°03′33″N 116°01′44″W / 37.0592°N 116.02892°W | 1,209 m (3,967 ft) – 390.21 m (1,280.2 ft) | underground shaft, weapons development |
1 kt | [1][4][6][7][10] | |||
Hod-C (Blue) - 3 | May 1, 1970 14:25:00.0 | PST (–8 hrs) |
NTS Area U9iz25 37°08′18″N 116°01′56″W / 37.13843°N 116.03216°W | 1,276 m (4,186 ft) + | underground shaft, safety experiment |
less than 20 kt | [1][7][8] | |||
Hod-A (Green) - 1 | May 1, 1970 14:40:00.17 | PST (–8 hrs) |
NTS Area U9itsx23 37°08′10″N 116°02′06″W / 37.13625°N 116.03492°W | 1,268 m (4,160 ft) – 265.18 m (870.0 ft) | underground shaft, weapons development |
9 kt | Venting detected on site, 1 Ci (37 GBq) | [1][4][5][6][7][8] | Simultaneous, separate holes. | |
Hod-B (Red) - 2 | May 1, 1970 14:40:00.17 | PST (–8 hrs) |
NTS Area U9itsx20 37°07′59″N 116°02′06″W / 37.13295°N 116.03495°W | 1,266 m (4,154 ft) – 241 m (791 ft) | underground shaft, weapons development |
4 kt | Venting detected | [1][6][7][8][9][11] | ||
Mint Leaf | May 5, 1970 15:30:00.17 | PST (–8 hrs) |
NTS Area U12t.01 37°12′59″N 116°11′04″W / 37.21649°N 116.18441°W | 2,094 m (6,870 ft) – 396.24 m (1,300.0 ft) | tunnel, weapon effect |
20 kt | Venting detected off site, 960 kCi (36,000 TBq) | [1][4][6][7][8][9] | ||
Diamond Dust | May 12, 1970 14:00:00.04 | PST (–8 hrs) |
NTS Area U16a.05 37°00′37″N 116°12′10″W / 37.0104°N 116.20277°W | 1,899 m (6,230 ft) – 221.89 m (728.0 ft) | tunnel, joint verification |
less than 20 kt | Venting detected, 5 Ci (180 GBq) | [1][6][7][8][9] | Designed to test detection of underground nuclear tests; see Vela Uniform. | |
Cornice-Green - 2 | May 15, 1970 13:30:00.17 | PST (–8 hrs) |
NTS Area U10ap3 37°09′43″N 116°02′23″W / 37.16186°N 116.03981°W | 1,286 m (4,219 ft) + | underground shaft, weapons development |
40 kt | [1][6][7] | Simultaneous, separate holes. | ||
Cornice-Yellow - 1 | May 15, 1970 13:30:00.17 | PST (–8 hrs) |
NTS Area U10ap1 37°09′57″N 116°02′11″W / 37.16588°N 116.03636°W | 1,293 m (4,242 ft) – 390.14 m (1,280.0 ft) | underground shaft, weapons development |
45 kt | [1][4][5][6][7] | Simultaneous, separate holes. | ||
Manzanas | May 21, 1970 14:00:00.04 | PST (–8 hrs) |
NTS Area U3gr 37°00′44″N 115°59′34″W / 37.01214°N 115.99265°W | 1,194 m (3,917 ft) – 240.65 m (789.5 ft) | underground shaft, weapons development |
1 kt | Venting detected on site, less than 0.2 Ci (7.4 GBq) | [1][4][6][7][8][9] | ||
Morrones | May 21, 1970 14:15:00.03 | PST (–8 hrs) |
NTS Area U3ei 37°04′15″N 116°00′50″W / 37.07076°N 116.01387°W | 1,237 m (4,058 ft) – 482.72 m (1,583.7 ft) | underground shaft, weapons development |
29 kt | [1][6][7][10] | |||
Hudson Moon | May 26, 1970 14:16:00.17 | PST (–8 hrs) |
NTS Area U12e.12 37°10′57″N 116°12′51″W / 37.18256°N 116.21427°W | 2,274 m (7,461 ft) – 422.45 m (1,386.0 ft) | tunnel, weapon effect |
9 kt | Venting detected on site, 1.3 kCi (48 TBq) | [1][4][6][7][8][9] | ||
Flask-Green - 1 | May 26, 1970 15:00:00.05 | PST (–8 hrs) |
NTS Area U2az1 37°06′48″N 116°03′49″W / 37.11336°N 116.06354°W | 1,251 m (4,104 ft) – 529 m (1,736 ft) | underground shaft, peaceful research |
105 kt | Venting detected, 63 Ci (2,300 GBq) | [1][5][6][7][8][9] | Simultaneous, Separate holes. Project Plowshare – develop clean devices for hard rock excavation. | |
Flask-Red - 3 | May 26, 1970 15:00:00.05 | PST (–8 hrs) |
NTS Area U2az3 37°06′58″N 116°04′03″W / 37.11615°N 116.06757°W | 1,259 m (4,131 ft) – 152.4 m (500 ft) | underground shaft, peaceful research |
35 t | Venting detected | [1][6][7][8][9] | Simultaneous, Separate holes. Project Plowshare – develop clean devices for hard rock excavation. | |
Flask-Yellow - 2 | May 26, 1970 15:00:00.05 | PST (–8 hrs) |
NTS Area U2az2 37°07′05″N 116°03′49″W / 37.11799°N 116.06364°W | 1,259 m (4,131 ft) – 335 m (1,099 ft) | underground shaft, peaceful research |
90 t | Venting detected | [1][6][7][8][9] | Simultaneous, Separate holes. Project Plowshare – develop clean devices for hard rock excavation. | |
Piton C | May 28, 1970 11:45:00.2 | PST (–8 hrs) |
NTS Area U9itsaa2 37°08′18″N 116°01′51″W / 37.13842°N 116.03079°W | 1,279 m (4,196 ft) – 100.58 m (330.0 ft) | underground shaft, weapons development |
2.5 kt | Venting detected on site, 25 kCi (920 TBq) | [1][6][7][8][9] | ||
Piton - 1 | May 28, 1970 12:00:00.164 | PST (–8 hrs) |
NTS Area U9itsy30 37°08′38″N 116°02′01″W / 37.14393°N 116.03349°W | 1,274 m (4,180 ft) – 236.22 m (775.0 ft) | underground shaft, weapons development |
800 t | Venting detected on site, more than 10 Ci (370 GBq) | [1][4][6][7][8][9] | Simultaneous, separate holes. | |
Piton - 2 | May 28, 1970 12:00:00.164 | PST (–8 hrs) |
NTS Area U9itsx27 37°08′26″N 116°02′06″W / 37.14056°N 116.03497°W | 1,270 m (4,170 ft) + | underground shaft, weapons development |
less than 20 kt | Venting detected on site | [1][6][7][8] | Simultaneous, separate holes. | |
Arnica-Violet - 2 | June 26, 1970 13:00:00.04 | PST (–8 hrs) |
NTS Area U2dd3 37°07′02″N 116°05′06″W / 37.11716°N 116.08495°W | 1,272 m (4,173 ft) – 264 m (866 ft) | underground shaft, weapons development |
2 kt | Venting detected, 73 Ci (2,700 GBq) | [1][6][7][8][9][11] | Simultaneous, separate holes. | |
Arnica-Yellow - 1 | June 26, 1970 13:00:00.04 | PST (–8 hrs) |
NTS Area U2dd2 37°06′50″N 116°05′14″W / 37.11391°N 116.08709°W | 1,270 m (4,170 ft) – 309.37 m (1,015.0 ft) | underground shaft, weapons development |
3.5 kt | [1][5][6][7][8] | Simultaneous, separate holes. |
LT_1
was invoked but never defined (see the help page).LT_44
was invoked but never defined (see the help page).LT_40
was invoked but never defined (see the help page).LT_34
was invoked but never defined (see the help page).LT_6
was invoked but never defined (see the help page).LT_150
was invoked but never defined (see the help page).LT_48
was invoked but never defined (see the help page).LT_158
was invoked but never defined (see the help page).LT_57
was invoked but never defined (see the help page).© MMXXIII Rich X Search. We shall prevail. All rights reserved. Rich X Search