Praetorian | |
---|---|
Information | |
Country | United States |
Test site | NTS Area 12, Rainier Mesa; NTS Area 19, 20, Pahute Mesa; NTS, Areas 1–4, 6–10, Yucca Flat |
Period | 1981–1982 |
Number of tests | 19 |
Test type | underground shaft, tunnel |
Max. yield | 140 kilotonnes of TNT (590 TJ) |
Test series chronology | |
The United States's Praetorian nuclear test series[1] was a group of 19 nuclear tests conducted in 1981–1982. These tests [note 1] followed the Operation Guardian series and preceded the Operation Phalanx series.
Name [note 2] | Date time (UT) | Local time zone[note 3][2] | Location[note 4] | Elevation + height [note 5] | Delivery [note 6] Purpose [note 7] |
Device[note 8] | Yield[note 9] | Fallout[note 10] | References | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Paliza | October 1, 1981 19:00:00.1 | PST (–8 hrs) |
NTS Area U7bd 37°04′54″N 116°00′35″W / 37.08156°N 116.00962°W | 1,260 m (4,130 ft) – 472.1 m (1,549 ft) | underground shaft, weapons development |
38 kt | [1][3][4][5][6] | |||
Tilci | November 11, 1981 20:00:09.086 | PST (–8 hrs) |
NTS Area U4ak 37°04′35″N 116°04′10″W / 37.07627°N 116.06936°W | 1,232 m (4,042 ft) – 445 m (1,460 ft) | underground shaft, weapons development |
W84[7]: VII-204 | 29 kt | Venting detected | [1][3][5][6][8] | |
Akavi | December 3, 1981 15:00:00.098 | PST (–8 hrs) |
NTS Area U2es 37°08′54″N 116°04′18″W / 37.14838°N 116.07171°W | 1,293 m (4,242 ft) – 494 m (1,621 ft) | underground shaft, weapons development |
20 kt | Venting detected | [1][3][5][6][8] | ||
Caboc | December 16, 1981 21:05:00.09 | PST (–8 hrs) |
NTS Area U2cp 37°06′52″N 116°07′25″W / 37.11447°N 116.12365°W | 1,348 m (4,423 ft) – 335 m (1,099 ft) | underground shaft, weapons development |
5 kt | Venting detected, 0.3 Ci (11 GBq) | [1][5][6][8][9] | ||
Jornada | January 28, 1982 16:00:00.104 | PST (–8 hrs) |
NTS Area U4j 37°05′29″N 116°03′08″W / 37.09129°N 116.0521°W | 1,233 m (4,045 ft) – 638.9 m (2,096 ft) | underground shaft, weapons development |
W80[7]: VII-204 | 139 kt | [1][3][4][5][6] | ||
Molbo | February 12, 1982 14:55:00.083 | PST (–8 hrs) |
NTS Area U20ag 37°13′27″N 116°27′49″W / 37.22428°N 116.46354°W | 1,873 m (6,145 ft) – 638 m (2,093 ft) | underground shaft, weapons development |
TX-83[7]: VII-202 | 80 kt | I-131 venting detected, 0 | [1][5][6][8][9] | |
Hosta | February 12, 1982 15:25:00.09Hansen, | PST (–8 hrs) |
NTS Area U19ak 37°20′53″N 116°19′01″W / 37.34792°N 116.31698°W | 2,076 m (6,811 ft) – 639.5 m (2,098 ft) | underground shaft, weapons development |
B61[7]: VII-195 | 140 kt | [1][5][6] | ||
Tenaja | April 17, 1982 18:00:00.088 | PST (–8 hrs) |
NTS Area U3lh 37°01′00″N 116°00′38″W / 37.01676°N 116.01063°W | 1,177 m (3,862 ft) – 356.3 m (1,169 ft) | underground shaft, weapons development |
W80[7]: VII-204 | 6 kt | [1][5][6] | ||
Kryddost | May 6, 1982 20:00:00.083 | PST (–8 hrs) |
NTS Area U2co 37°07′00″N 116°07′42″W / 37.11662°N 116.12821°W | 1,363 m (4,472 ft) – 335 m (1,099 ft) | underground shaft, weapons development |
3.5 kt | [1][5][6] | |||
Bouschet | May 7, 1982 18:17:00.11 | PST (–8 hrs) |
NTS Area U3la 37°04′08″N 116°02′48″W / 37.069°N 116.04666°W | 1,217 m (3,993 ft) – 563.9 m (1,850 ft) | underground shaft, weapons development |
99 kt | Venting detected, less than 1 Ci (37 GBq) | [1][3][5][6][8] | ||
Kesti | June 16, 1982 14:00:00.085 | PST (–8 hrs) |
NTS Area U9cn 37°06′51″N 116°01′03″W / 37.11418°N 116.01745°W | 1,312 m (4,304 ft) – 289 m (948 ft) | underground shaft, weapons development |
less than 20 kt | [1][5][6] | |||
Nebbiolo | June 24, 1982 14:15:00.09 | PST (–8 hrs) |
NTS Area U19ae 37°14′10″N 116°22′16″W / 37.23616°N 116.37106°W | 2,038 m (6,686 ft) – 639.5 m (2,098 ft) | underground shaft, weapons development |
B61[7]: VII-195 | 140 kt | [1][5][6] | ||
Monterey | July 29, 1982 20:05:00.083 | PST (–8 hrs) |
NTS Area U4aj 37°06′08″N 116°04′32″W / 37.10234°N 116.07561°W | 1,253 m (4,111 ft) – 400 m (1,300 ft) | underground shaft, weapons development |
20 kt | Venting detected, 0.1 Ci (3.7 GBq) | [1][3][5][6][8][9] | ||
Atrisco | August 5, 1982 14:00:00.09 | PST (–8 hrs) |
NTS Area U7bp 37°05′04″N 116°00′25″W / 37.08458°N 116.00705°W | 1,268 m (4,160 ft) – 639.78 m (2,099.0 ft) | underground shaft, weapons development |
138 kt | [1][3][4][5][6] | |||
Queso | August 11, 1982 15:00:00.0 | PST (–8 hrs) |
NTS Area U10bf 37°11′23″N 116°02′55″W / 37.18974°N 116.04855°W | 1,310 m (4,300 ft) – 216 m (709 ft) | underground shaft, weapons development |
W79[7]: VII-204 | less than 20 kt | [1][5][6] | ||
Cerro | September 2, 1982 14:00:00.085 | PST (–8 hrs) |
NTS Area U3lf 37°01′11″N 116°00′59″W / 37.0197°N 116.0164°W | 1,184 m (3,885 ft) – 228.6 m (750 ft) | underground shaft, weapons development |
less than 20 kt | [1][5][6] | |||
Diamond Ace - 2 (with Huron Landing) | September 23, 1982 16:00:00.091 | PST (–8 hrs) |
NTS Area U12n.15 37°12′43″N 116°12′28″W / 37.21197°N 116.20764°W | 1,824 m (5,984 ft) – 407.26 m (1,336.2 ft) | tunnel, weapon effect |
less than 20 kt | Venting detected | [1][5][6][8] | Simultaneous. | |
Huron Landing - 1 (with Diamond Ace) | September 23, 1982 16:00:00.09 | PST (–8 hrs) |
NTS Area U12n.15 37°12′43″N 116°12′28″W / 37.21197°N 116.20765°W | 1,824 m (5,984 ft) – 408 m (1,339 ft) | tunnel, weapon effect |
20 kt | Venting detected, 280 Ci (10,000 GBq) | [1][5][6][8][9] | Simultaneous. | |
Frisco | September 23, 1982 17:00:00.085 | PST (–8 hrs) |
NTS Area U8m 37°10′29″N 116°05′19″W / 37.1747°N 116.08867°W | 1,347 m (4,419 ft) – 451 m (1,480 ft) | underground shaft, weapons development |
20 kt | Venting detected, 2 Ci (74 GBq) | [1][5][6][8][9] | ||
Borrego | September 29, 1982 13:30:00.096 | PST (–8 hrs) |
NTS Area U7br 37°05′28″N 116°02′44″W / 37.09123°N 116.04546°W | 1,234 m (4,049 ft) – 563.3 m (1,848 ft) | underground shaft, weapons development |
1 kt | [1][3][5][6] |