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Aqueduct
Information
Country United States
Period 1989–1990
Number of tests 10
Max. yield 150 kilotonnes of TNT (630 TJ)

The United States's Aqueduct nuclear test series was a group of 10 nuclear tests conducted in 1989–1990. These tests followed the Operation Cornerstone series and preceded the Operation Sculpin series.

Lists of the nuclear tests

United States' Aqueduct series tests and detonations
Name Date time (UT) Local time zone Location Elevation + height Delivery
Purpose
Device Yield Fallout References Notes
Hornitos October 31, 1989 15:30:00.085 PST (–8 hrs)
NTS Area U20bc 37°15′47″N 116°29′30″W / 37.26305°N 116.49161°W / 37.26305; -116.49161 (Hornitos) 1,846 m (6,056 ft)–562.94 m (1,846.9 ft) underground shaft,
weapons development
150 kt
Muleshoe November 15, 1989 20:20:00.119 PST (–8 hrs)
NTS Area U7bk 37°06′23″N 116°00′51″W / 37.10647°N 116.01425°W / 37.10647; -116.01425 (Muleshoe) 1,311 m (4,301 ft)–244.45 m (802.0 ft) underground shaft,
weapons development
less than 20 kt
Whiteface - 1 December 20, 1989 22:00:00.06 PST (–8 hrs)
NTS Area U3lp 37°01′33″N 116°01′55″W / 37.02584°N 116.03197°W / 37.02584; -116.03197 (Whiteface - 1) 1,216 m (3,990 ft)–196.9 m (646 ft) underground shaft,
safety experiment
less than 20 kt Simultaneous, same hole.
Whiteface - 2 December 20, 1989 22:00:00.06 PST (–8 hrs)
NTS Area U3lp 37°01′33″N 116°01′55″W / 37.02584°N 116.03197°W / 37.02584; -116.03197 (Whiteface - 2) 1,216 m (3,990 ft) + underground shaft,
safety experiment
less than 20 kt Simultaneous, same hole.
Metropolis March 10, 1990 15:00:00.083 PST (–8 hrs)
NTS Area U2gh 37°06′45″N 116°03′22″W / 37.11246°N 116.05605°W / 37.11246; -116.05605 (Metropolis) 1,246 m (4,088 ft)–469.4 m (1,540 ft) underground shaft,
weapons development
44 kt Venting detected, 6 Ci (220 GBq)
Bowie April 6, 1990 17:00:00.047 PST (–8 hrs)
NTS Area U3mk 37°04′04″N 115°59′34″W / 37.06765°N 115.99288°W / 37.06765; -115.99288 (Bowie) 1,271 m (4,170 ft)–213.4 m (700 ft) underground shaft,
weapons development
100 t
Bullion June 13, 1990 16:00:00.079 PST (–8 hrs)
NTS Area U20bd 37°15′42″N 116°25′16″W / 37.26155°N 116.42101°W / 37.26155; -116.42101 (Bullion) 1,950 m (6,400 ft)–673.9 m (2,211 ft) underground shaft,
weapons development
150 kt
Justin June 21, 1990 18:15:00.0 PST (–8 hrs)
NTS Area U6e 36°59′34″N 116°00′19″W / 36.99279°N 116.00536°W / 36.99279; -116.00536 (Justin) 1,174 m (3,852 ft)–350.5 m (1,150 ft) underground shaft,
weapons development
2 kt
Mineral Quarry - 2 (with Randsburg) July 25, 1990 15:00:00.06 PST (–8 hrs)
NTS Area U12n.22 37°12′25″N 116°12′55″W / 37.20682°N 116.21514°W / 37.20682; -116.21514 (Mineral Quarry - 2) 2,216 m (7,270 ft)–389.5 m (1,278 ft) tunnel,
weapon effect
10 kt Venting detected, 0.5 Ci (19 GBq) Simultaneous, same drifts.
Randsburg - 1 (with Mineral Quarry) July 25, 1990 15:00:00.0 PST (–8 hrs)
NTS Area U12n.22a 37°12′25″N 116°12′55″W / 37.20682°N 116.21514°W / 37.20682; -116.21514 (Randsburg - 1) 2,216 m (7,270 ft) + tunnel,
weapons development
less than 20 kt Simultaneous, same drifts.
Sundown - 1 September 20, 1990 16:15:00.0 PST (–8 hrs)
NTS Area U1d 37°02′18″N 116°03′27″W / 37.0382°N 116.05756°W / 37.0382; -116.05756 (Sundown - 1) 1,206 m (3,957 ft)–270.4 m (887 ft) underground shaft,
safety experiment
less than 20 kt Simultaneous, same drifts.
Sundown - 2 September 20, 1990 16:15:00.0 PST (–8 hrs)
NTS Area U1d 37°02′18″N 116°03′27″W / 37.0382°N 116.05756°W / 37.0382; -116.05756 (Sundown - 2) 1,206 m (3,957 ft) + underground shaft,
safety experiment
less than 20 kt Simultaneous, same drifts.
Ledoux September 27, 1990 18:02:46.0 PST (–8 hrs)
NTS Area U1a.01 37°00′25″N 116°03′32″W / 37.00695°N 116.05899°W / 37.00695; -116.05899 (Ledoux) 1,191 m (3,907 ft)–291 m (955 ft) underground shaft,
weapons development
less than 20 kt Experimentally pumping a laser from a nuclear device.
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