- Operation Mandrel
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Operation Mandrel 
Mandrel Mint Leaf reentry team.Information Country 
United StatesTest site Varied, includes Alaska and Colorado Period 1969-1970 Number of tests 53 Test type Underground Navigation Previous test Bowline Next test Emery Operation Mandrel[1] was a series of 53 nuclear test explosions conducted in 1969 and 1970. This test series included a 1.2 megaton "calibration shot" code-named Milrow, which was detonated 1,220 metres (4,000 ft) underground at Amchitka Island, Alaska, and the 40 kiloton gas stimulation experiment code-named Rulison, detonated near Grand Valley, Colorado
These tests followed Bowline and preceded the Emery series.The individual blasts of this series were:
Name Date Size ILDRIM July 16 20 to 200 kilotons HUTCH July 16 20 to 200 kilotons SPIDER A, B August 14 < 20 kilotons PLIERS August 27 < 20 kilotons HOREHOUND August 27 < 20 kilotons RULISON (Grand Valley, Colorado) September 10 40 kilotons MINUTE STEAK September 12 < 20 kilotons JORUM September 16 <1 MT KYACK A, B September 20 < 20 kilotons SEAWEED C, D, E October 1 < 20 kilotons MILROW (Amchitka Island, AK.) October 2 1 - 1.2 megatons PIPKIN October 8 200 kilotons to 1 MT SEAWEED B October 16 < 20 kilotons CRUET October 29 11 kilotons POD A, B, C, D October 29 16.7 kt total CALABASH October 29 110 kilotons SCUTTLE November 13 1.7 kilotons PICCALILLI November 21 20 to 200 kilotons PLANER November 21 < 20 kilotons DIESEL TRAIN December 5 < 20 kilotons CULANTRO A, B December 10 < 20 kilotons TUN A, B, C, D December 10 4 <20 kilotons GRAPE A December 17 20 to 200 kilotons LOVAGE December 17 < 20 kilotons TERRINE-WHITE, -YELLOW December 18 2 20 to 200 kilotons FOB-GREEN, -RED, -BLUE January 23 3 < 20 kilotons AJO January 30 < 20 kilotons GRAPE B February 4 20 to 200 kilotons BELEN February 4 20 to 200 kilotons LABIS February 5 25 kilotons DIANA MIST February 11 < 20 kilotons CUMARIN February 25 20 to 200 kilotons YANNIGAN-RED, -BLUE, -WHITE February 26 3 20 to 200 kilotons CYATHUS March 6 8.7 kilotons ARABIS-RED, -GREEN, -BLUE March 6 3 < 20 kilotons JAL March 19 < 20 kilotons SHAPER March 23 20 to 200 kilotons HANDLEY March 26 >1 MT SNUBBER April 21 12.7 kilotons CAN-GREEN, -RED April 21 2 20 to 200 kilotons BEEBALM May 1 < 20 kilotons HOD A (GREEN), B (RED) May 1 < 20 kilotons HOD C May 1 < 20 kilotons MINT LEAF May 5 < 20 kilotons DIAMOND DUST May 12 < 20 kilotons CORNICE-YELLOW, -GREEN May 15 2 20 to 200 kilotons MANZANAS May 21 < 20 kilotons MORRONES May 21 20 to 200 kilotons HUDSON MOON May 26 < 20 kilotons FLASK-GREEN, -YELLOW, -RED May 26 105 kilotons, 90 tons,
35 tons, respectivelyPITON C May 28 < 20 kilotons PITON A, B May 28 < 20 kilotons ARNICA-YELLOW, -VIOLET June 26 < 20 kilotons References
Categories:- American nuclear explosive tests
- Nevada Test Site
- 1969 in the United States
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