Operation Mandrel facts for kids

Kids Encyclopedia Facts

Quick facts for kids Operation Mandrel
Information
Country	United States
Period	1969–1970
Number of tests	52
Test type	underground shaft, tunnel
Max. yield	1.9 megatonnes of TNT (7.9 PJ)

Mandrel Mint Leaf tunnel reentry team

The United States's Mandrel nuclear test series was a group of 52 nuclear tests conducted in 1969–1970. These tests followed the Operation Bowline series and preceded the Operation Emery series.

United States' Mandrel series tests and detonations
Name	Date time (UT)	Local time zone	Location	Elevation + height	Delivery Purpose	Yield	Fallout	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 / 37.11939; -116.05599 (Ildrim)	000845 1,256 m (4,121 ft) – 410.26 m (1,346.0 ft)	underground shaft, weapons development	000200000 20 kt
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 / 37.13953; -116.08822 (Hutch)	000751 1,300 m (4,300 ft) – 548.64 m (1,800.0 ft)	underground shaft, weapons development	001200000 120 kt	Venting detected, 1.1 kCi (41 TBq)
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 / 37.1602; -116.06448 (Spider - 1)	001084 1,292 m (4,239 ft) – 207.26 m (680.0 ft)	underground shaft, weapons development	000010000 1 kt	Venting detected, 2 Ci (74 GBq)	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 / 37.1582; -116.06467 (Spider - 2)	001078 1,291 m (4,236 ft) – 213 m (699 ft)	underground shaft, weapons development	000010000 1 kt		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 / 36.99267; -115.99637 (Horehound)	000842 1,174 m (3,852 ft) – 331.83 m (1,088.7 ft)	underground shaft, weapons development	000000000 less than 20 kt
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 / 37.02146; -116.03884 (Pliers)	000948 1,187 m (3,894 ft) – 238.87 m (783.7 ft)	underground shaft, weapons development	000100000 10 kt	Venting detected on site
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 / 39.40535; -107.94857 (Rulison)	000000 2,498 m (8,196 ft) – 2,570 m (8,430 ft)	underground shaft, peaceful research	000400000 40 kt	Venting detected off site	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 / 36.87718; -115.92936 (Minute Steak)	000742 1,007 m (3,304 ft) – 264.26 m (867.0 ft)	underground shaft, weapon effect	000050000 5 kt	Venting detected on site, 8.4 kCi (310 TBq)
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 / 37.31408; -116.46156 (Jorum)	000739 1,898 m (6,227 ft) – 1,158.24 m (3,800.0 ft)	underground shaft, weapons development	008000000 800 kt
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 / 37.15874; -116.06863 (Kyack - 1)	001103 1,296 m (4,252 ft) – 192.02 m (630.0 ft)	underground shaft, weapons development	000008000 800 t	Venting detected on site	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 / 37.15729; -116.06677 (Kyack - 2)	001101 1,293 m (4,242 ft) – 192 m (630 ft)	underground shaft, weapons development	000010000 1 kt	Venting detected on site, 510 Ci (19,000 GBq)	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 / 37.01141; -115.99935 (Seaweed - 1)	001065 1,184 m (3,885 ft) – 118.43 m (388.5 ft)	underground shaft, safety experiment	000000000 less than 20 kt	Venting detected on site, 0.00000005 Ci (1.9×10⁻⁶ GBq)	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 / 37.01048; -116.0003 (Seaweed - 2)	001065 1,183 m (3,881 ft) – 118 m (387 ft)	underground shaft, safety experiment	000000000 less than 20 kt	Venting detected on site	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 / 37.01371; -115.99935 (Seaweed - 3)	001184 1,184 m (3,885 ft) +	underground shaft, safety experiment	000000000 less than 20 kt	Venting detected on site	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 / 51.41572; 179.17939 (Milrow)	000000 40 m (130 ft) – 1,220 m (4,000 ft)	underground shaft, weapons development	010000000 1 Mt		Calibration for Grommet Cannikin test.
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 / 37.25667; -116.44164 (Pipkin)	001340 1,965 m (6,447 ft) – 624.84 m (2,050.0 ft)	underground shaft, weapons development	002000000 200 kt	Venting detected, 6 Ci (220 GBq)
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 / 37.01255; -115.99901 (Seaweed B)	001066 1,185 m (3,888 ft) – 118.55 m (388.9 ft)	underground shaft, safety experiment	000000000 less than 20 kt	Venting detected on site, 0.0000002 Ci (7.4×10⁻⁶ GBq)
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 / 37.12138; -116.12829 (Cruet)	001108 1,372 m (4,501 ft) – 263.65 m (865.0 ft)	underground shaft, weapons development	000110000 11 kt
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 / 37.14015; -116.13136 (Pod - 1)	001130 1,397 m (4,583 ft) – 266.7 m (875 ft)	underground shaft, weapons development	000167000 16.7 kt	Venting detected on site, 3.9 kCi (140 TBq)	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 / 37.1404; -116.1427 (Pod - 2)	001464 1,464 m (4,803 ft) +	underground shaft, weapons development	000167000 16.7 kt	Venting detected on site	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 / 37.13628; -116.14083 (Pod - 3)	001448 1,448 m (4,751 ft) +	underground shaft, weapons development	000167000 16.7 kt	Venting detected on site	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 / 37.13532; -116.13694 (Pod - 4)	001112 1,424 m (4,672 ft) – 312 m (1,024 ft)	underground shaft, weapons development	000167000 16.7 kt	Venting detected on site	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 / 37.14326; -116.06501 (Calabash)	000658 1,283 m (4,209 ft) – 624.84 m (2,050.0 ft)	underground shaft, weapons development	001100000 110 kt
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 / 37.16462; -116.07576 (Scuttle)	001147 1,312 m (4,304 ft) – 164.59 m (540.0 ft)	underground shaft, weapons development	000017000 1.7 kt	Venting detected, 210 Ci (7,800 GBq)
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 / 37.03118; -116.00276 (Piccalilli)	000801 1,195 m (3,921 ft) – 393.8 m (1,292 ft)	underground shaft, weapons development	000220000 22 kt
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 / 37.01481; -116.02347 (Planer)	000805 1,183 m (3,881 ft) – 377.84 m (1,239.6 ft)	underground shaft, weapons development	000200000 20 kt
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 / 37.17992; -116.21174 (Diesel Train)	001787 2,207 m (7,241 ft) – 419.15 m (1,375.2 ft)	tunnel, weapon effect	000200000 20 kt
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 / 37.01469; -116.00362 (Culantro - 1)	001046 1,181 m (3,875 ft) – 134.13 m (440.1 ft)	underground shaft, weapons development	000000000 less than 20 kt		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 / 37.01489; -116.0019 (Culantro - 2)	001182 1,182 m (3,878 ft) +	underground shaft, weapons development	000000000 less than 20 kt		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 / 37.16771; -116.08023 (Tun - 1)	001129 1,323 m (4,341 ft) – 193.55 m (635.0 ft)	underground shaft, weapons development	000025000 2.5 kt	Venting detected on site	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 / 37.16945; -116.08019 (Tun - 2)	001130 1,324 m (4,344 ft) – 194 m (636 ft)	underground shaft, weapons development	000020000 2 kt	Venting detected on site, 72 Ci (2,700 GBq)	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 / 37.16769; -116.07797 (Tun - 3)	001125 1,319 m (4,327 ft) – 194 m (636 ft)	underground shaft, weapons development	000020000 2 kt	Venting detected on site	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 / 37.16947; -116.07796 (Tun - 4)	001064 1,320 m (4,330 ft) – 256 m (840 ft)	underground shaft, weapons development	000030000 3 kt	Venting detected on site	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 / 37.08333; -116.00266 (Grape A)	000723 1,274 m (4,180 ft) – 550.67 m (1,806.7 ft)	underground shaft, weapons development	000890000 89 kt
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 / 37.00661; -116.02356 (Lovage)	000802 1,181 m (3,875 ft) – 378.05 m (1,240.3 ft)	underground shaft, weapons development	000160000 16 kt
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 / 37.12044; -116.03551 (Terrine-White - 1)	000802 1,264 m (4,147 ft) – 461.77 m (1,515.0 ft)	underground shaft, weapons development	000380000 38 kt	Venting detected, 48 Ci (1,800 GBq)	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 / 37.12044; -116.0297 (Terrine-Yellow - 2)	000860 1,277 m (4,190 ft) – 417 m (1,368 ft)	underground shaft, weapons development	000000000 unknown yield	Venting detected	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 / 37.14063; -116.03351 (Fob-Blue - 3)	001273 1,273 m (4,177 ft) +	underground shaft, weapons development	000000000 less than 20 kt		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 / 37.14066; -116.03764 (Fob-Green - 1)	000999 1,266 m (4,154 ft) – 266.7 m (875 ft)	underground shaft, weapons development	000080000 8 kt		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 / 37.13737; -116.03765 (Fob-Red - 2)	001263 1,263 m (4,144 ft) +	underground shaft, weapons development	000000000 less than 20 kt		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 / 37.03079; -116.03562 (Ajo)	000886 1,191 m (3,907 ft) – 304.11 m (997.7 ft)	underground shaft, weapons development	000200000 20 kt
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 / 37.05497; -116.03971 (Belen)	000785 1,206 m (3,957 ft) – 420.8 m (1,381 ft)	underground shaft, weapons development	000970000 97 kt
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 / 37.09804; -116.02737 (Grape B)	000714 1,269 m (4,163 ft) – 554.46 m (1,819.1 ft)	underground shaft, weapons development	001200000 120 kt
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 / 37.16392; -116.0397 (Labis)	000844 1,286 m (4,219 ft) – 441.96 m (1,450.0 ft)	underground shaft, weapons development	000250000 25 kt
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 / 37.20123; -116.2061 (Diana Mist)	001826 2,229 m (7,313 ft) – 402.02 m (1,319.0 ft)	tunnel, weapon effect	000120000 12 kt
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 / 37.03655; -116.00013 (Cumarin)	000797 1,206 m (3,957 ft) – 408.51 m (1,340.3 ft)	underground shaft, weapons development	000510000 51 kt
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 / 37.11375; -116.06664 (Yannigan-Blue - 2)	000864 1,258 m (4,127 ft) – 394 m (1,293 ft)	underground shaft, weapons development	000200000 20 kt	Venting detected	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 / 37.11631; -116.06232 (Yannigan-Red - 1)	000869 1,258 m (4,127 ft) – 388.62 m (1,275.0 ft)	underground shaft, weapons development	000700000 70 kt	Venting detected, 320 Ci (12,000 GBq)	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 / 37.11793; -116.06708 (Yannigan-White - 3)	000898 1,261 m (4,137 ft) – 363 m (1,191 ft)	underground shaft, weapons development	000300000 30 kt	Venting detected	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 / 37.17311; -116.09266 (Cyathus)	001063 1,353 m (4,439 ft) – 289.56 m (950.0 ft)	underground shaft, weapons development	000087000 8.7 kt	Venting detected, less than 46 Ci (1,700 GBq)
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 / 37.13956; -116.03764 (Arabis-Blue - 3)	001265 1,265 m (4,150 ft) +	underground shaft, safety experiment	000000000 less than 20 kt		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 / 37.14174; -116.03488 (Arabis-Green - 2)	001270 1,270 m (4,170 ft) +	underground shaft, weapons development	000000000 less than 20 kt		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 / 37.13955; -116.03218 (Arabis-Red - 1)	001026 1,276 m (4,186 ft) – 249.94 m (820.0 ft)	underground shaft, weapons development	000035000 3.5 kt		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 / 37.00104; -116.02359 (Jal)	000876 1,178 m (3,865 ft) – 301.39 m (988.8 ft)	underground shaft, weapons development	000060000 6 kt
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 / 37.08618; -116.02198 (Shaper)	000691 1,252 m (4,108 ft) – 560.44 m (1,838.7 ft)	underground shaft, weapons development	000890000 89 kt
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 / 37.30042; -116.535 (Handley)	000562 1,772 m (5,814 ft) – 1,209.14 m (3,967.0 ft)	underground shaft, weapons development	019000000 1.9 Mt
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 / 37.05451; -115.98926 (Snubber)	000909 1,253 m (4,111 ft) – 343.5 m (1,127 ft)	underground shaft, weapon effect	000127000 12.7 kt	Venting detected off site, 55 kCi (2,000 TBq)
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 / 37.11236; -116.08281 (Can-Green - 1)	000991 1,266 m (4,154 ft) – 274.32 m (900.0 ft)	underground shaft, weapons development	000200000 20 kt		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 / 37.11554; -116.08098 (Can-Red - 2)	001268 1,268 m (4,160 ft) +	underground shaft, weapons development	000200000 20 kt		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 / 37.0592; -116.02892 (Beebalm)	000818 1,209 m (3,967 ft) – 390.21 m (1,280.2 ft)	underground shaft, weapons development	000010000 1 kt
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 / 37.13843; -116.03216 (Hod-C (Blue) - 3)	001276 1,276 m (4,186 ft) +	underground shaft, safety experiment	000000000 less than 20 kt
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 / 37.13625; -116.03492 (Hod-A (Green) - 1)	001002 1,268 m (4,160 ft) – 265.18 m (870.0 ft)	underground shaft, weapons development	000090000 9 kt	Venting detected on site, 1 Ci (37 GBq)	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 / 37.13295; -116.03495 (Hod-B (Red) - 2)	001025 1,266 m (4,154 ft) – 241 m (791 ft)	underground shaft, weapons development	000040000 4 kt	Venting detected
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 / 37.21649; -116.18441 (Mint Leaf)	001697 2,094 m (6,870 ft) – 396.24 m (1,300.0 ft)	tunnel, weapon effect	000200000 20 kt	Venting detected off site, 960 kCi (36,000 TBq)
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 / 37.0104; -116.20277 (Diamond Dust)	001677 1,899 m (6,230 ft) – 221.89 m (728.0 ft)	tunnel, joint verification	000000000 less than 20 kt	Venting detected, 5 Ci (180 GBq)	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 / 37.16186; -116.03981 (Cornice-Green - 2)	001286 1,286 m (4,219 ft) +	underground shaft, weapons development	000400000 40 kt		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 / 37.16588; -116.03636 (Cornice-Yellow - 1)	000902 1,293 m (4,242 ft) – 390.14 m (1,280.0 ft)	underground shaft, weapons development	000450000 45 kt		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 / 37.01214; -115.99265 (Manzanas)	000953 1,194 m (3,917 ft) – 240.65 m (789.5 ft)	underground shaft, weapons development	000010000 1 kt	Venting detected on site, less than 0.2 Ci (7.4 GBq)
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 / 37.07076; -116.01387 (Morrones)	000754 1,237 m (4,058 ft) – 482.72 m (1,583.7 ft)	underground shaft, weapons development	000290000 29 kt
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 / 37.18256; -116.21427 (Hudson Moon)	001851 2,274 m (7,461 ft) – 422.45 m (1,386.0 ft)	tunnel, weapon effect	000090000 9 kt	Venting detected on site, 1.3 kCi (48 TBq)
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 / 37.11336; -116.06354 (Flask-Green - 1)	000722 1,251 m (4,104 ft) – 529 m (1,736 ft)	underground shaft, peaceful research	001050000 105 kt	Venting detected, 63 Ci (2,300 GBq)	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 / 37.11615; -116.06757 (Flask-Red - 3)	001106 1,259 m (4,131 ft) – 152.4 m (500 ft)	underground shaft, peaceful research	000000350 35 t	Venting detected	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 / 37.11799; -116.06364 (Flask-Yellow - 2)	000924 1,259 m (4,131 ft) – 335 m (1,099 ft)	underground shaft, peaceful research	000000900 90 t	Venting detected	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 / 37.13842; -116.03079 (Piton C)	001178 1,279 m (4,196 ft) – 100.58 m (330.0 ft)	underground shaft, weapons development	000025000 2.5 kt	Venting detected on site, 25 kCi (920 TBq)
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 / 37.14393; -116.03349 (Piton - 1)	001037 1,274 m (4,180 ft) – 236.22 m (775.0 ft)	underground shaft, weapons development	000008000 800 t	Venting detected on site, more than 10 Ci (370 GBq)	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 / 37.14056; -116.03497 (Piton - 2)	001270 1,270 m (4,170 ft) +	underground shaft, weapons development	000000000 less than 20 kt	Venting detected on site	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 / 37.11716; -116.08495 (Arnica-Violet - 2)	001008 1,272 m (4,173 ft) – 264 m (866 ft)	underground shaft, weapons development	000020000 2 kt	Venting detected, 73 Ci (2,700 GBq)	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 / 37.11391; -116.08709 (Arnica-Yellow - 1)	000960 1,270 m (4,170 ft) – 309.37 m (1,015.0 ft)	underground shaft, weapons development	000035000 3.5 kt		Simultaneous, separate holes.

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