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Operations Hardtack I & II

Operation Hardtack I

Bikini Atoll and Enewetak, Marshall Islands in 1958

Nuclear Explosion Image

Shots Yucca, Cactus, Fir, Butternut, Koa, Wahoo, Holly, Nutmeg, Yellowwood, Magnolia, Tobacco, Sycamore, Rose, Umbrella, Maple, Aspen, Walnut, Linden, Redwood, Elder, Oak, Hickoery, Sequoia, Cedar, Dogwood, Poplar, Scaevola, Pisonia, Juniper, Olive, Pine, Teak, Quince, Orange, Fig

Veterans may receive $75,000 Nuclear Test Site Cancer Compensation. Find out if you qualify.

Operation Hardtack I was a series of 35 nuclear tests conducted by the United States.  At the time of testing, the Operation Hardtack I test series included more nuclear detonations than the total of prior nuclear explosions in the Pacific Ocean.

This series contained three high-altitude tests designed to study the effects that a nuclear explosion would have on materials and electronic systems. Yucca was the name of the first high-altitude test, and it was performed near the Enewetak and Bikini Atoll in the Marshall Islands. The other two high-altitude tests, Orange and Teak, were performed near Johnston Island.

Dates: Apr 26 - Oct 31, 1958 (Garrison/Maintenance through April 30, 1959)

 

Videos

HD Oak Shot the 6th largest U.S.Hydrogen bomb testing yielded 8.9 megatons 1958

Operation Hardtack-1 - Nutmeg 51538

Operation Hardtack-1 - Juniper 53070

 

List of Participants

Navy Ship Participation

Army Participation

Air Forces Participation

Marine Corps Participation

 

SHOT DATE SITE US SHIP PARTICIPATION
Yucca 4/28/1958 Pacific Ainsworth, Arikara, Belle Grove, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, Comstock, John R. Craig, Cree, Grasp, Hooper Island, Karin, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tortuga* (departed 4/14), Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, Staten Island, YFNB-12, Squaw-29
Cactus 5/6/1958 Enewetak Ainsworth, Arikara, Belle Grove, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, John R. Craig, Cree, Grasp, Hooper Island, Karin, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, YFNB-12, Squaw-29
Fir 5/12/1958 Bikini Atoll Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Karin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, YFNB-12, Squaw-29
Butternut 5/12/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Cogswell, Collett, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Karin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Sterlet, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, YFNB-12, Squaw-29
Koa 5/13/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Karin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Sterlet, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, YFNB-12, Squaw-29
Wahoo 5/16/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Elkhorn, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Karin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, Fullam*, Howorth*, Killen*, Michael Moran*, YFNB-12, Squaw-29
Holly 5/21/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, Collett, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Renville, Tombigbee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Nutmeg 5/22/1958 Bikini Atoll Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Orleck, Floyd B. Parks, Perkins, Rehoboth, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Yellowwood 5/26/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Nemasket, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Magnolia 5/27/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Nemasket, Rehoboth, Renville, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Tobacco 5/30/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Sycamore 5/31/1958 Bikini Atoll Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Rose 6/3/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Cacapon, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment
Umbrella 6/9/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Boat Pool Detachment, Fullam*, Howorth*, Killen*, Michael Moran*, Mine Detail Augmenting Unit 0302, EODU-1
Maple 6/11/1958 Bikini Atoll Ainsworth, Arikara, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Joyce, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Aspen 6/15/1958 Bikini Atoll Ainsworth, Arikara, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Collett, Cree, De Haven, Grasp, Hooper Island, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Walnut 6/15/1958 Enewetak Ainsworth, Arikara, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Cogswell, Collett, Cree, De Haven, Grasp, Hooper Island, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Rehoboth, Renville, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Linden 6/18/1958 Enewetak Ainsworth, Arikara, Benner, Bolster, Bonita, Boxer, Chanticleer, Chowanoc, Cogswell, Collett, John R. Craig, Cree, De Haven, Grasp, Hooper Island, Karin, Lansing, Lawrence County, Magoffin, Mansfield, Merapi, Moctobi, Monticello, Munsee, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Redwood 6/28/1958 Bikini Atoll Ainsworth, Arikara,  Benner, Bolster, Boxer, Cacapon, Chanticleer, Collett, Elkhorn, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Elder 6/28/1958 Enewetak Ainsworth, Arikara, Benner, Bolster, Boxer, Cacapon, Chanticleer, Collett, Elkhorn, John R. Craig, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Oak 6/29/1958 Enewetak Ainsworth, Arikara, Benner, Boxer, Cacapon, Chanticleer, Collett, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Hickory 6/29/1958 Bikini Atoll Ainsworth, Arikara, Benner, Boxer, Cacapon, Chanticleer, Collett, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Sequoia 7/2/1958 Enewetak Ainsworth, Arikara, Benner, Cacapon, Chanticleer, Collett, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Cedar 7/3/1958 Bikini Atoll Ainsworth, Arikara, Benner, Cacapon, Chanticleer, Collett, Cree, De Haven, Karin, Lansing, Magoffin, Mansfield, Merapi, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool,
Dogwood 7/6/1958 Enewetak Ainsworth, Arikara, Benner, Cacapon, Chanticleer, Chowanoc, Collett, Cree, De Haven, Karin, Lansing, Mansfield, Monticello, Navarro, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Tortuga, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Poplar 7/12/1958 Bikini Atoll Ainsworth, Arikara, Benner, Cacapon, Chanticleer, Cogswell, Collett, Cree, De Haven, Karin, Lansing, Mansfield, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Scaevola 7/14/1958 Enewetak Ainsworth, Arikara, Benner, Cacapon, Chanticleer, Cogswell, Collett, Cree, De Haven, Karin, Lansing, Mansfield, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, Silverstein, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Pisonia 7/18/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Bonita, Cacapon, Chanticleer, Collett, Cree, Karin, Lansing, Mansfield, Monticello, Navarro, Nemasket, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Juniper 7/22/1958 Bikini Atoll Ainsworth, Arikara, Belle Grove, Benner, Chanticleer, Collett, Cree, Karin, Lansing, Mansfield, Monticello, Navarro, Floyd B. Parks, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Olive 7/23/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Chanticleer, Collett, Comstock, Cree, Karin, Lansing, Mansfield, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Pine 7/27/1958 Enewetak Ainsworth, Arikara, Belle Grove, Benner, Chanticleer, Collett, Cree, Joyce, Karin, Lansing, Lawrence County, Mansfield, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Teak 7/31/1958 Johnston Island Ainsworth, Arikara, Belle Grove, Chanticleer, Cogswell, De Haven, Karin, Lansing, Monticello, Navarro, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Hitchiti, Safeguard
Quince 8/6/1958 Enewetak Ainsworth, Arikara, Belle Grove, Chanticleer, Collett, Karin, Lansing, Monticello, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tillamook, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool
Orange 8/11/1958 Johnston Island Ainsworth, Belle Grove, Chanticleer, Epperson, De Haven, Karin, Lansing, Monticello, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Tombigbee, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Safeguard
Fig 8/18/1958 Enewetak Ainsworth, Belle Grove, Chanticleer, Karin, Monticello, Sterlet, Takelma, T-LST-664, Destroyer Squadron 1 & 9, T-LST-618, Patrol Squadron VP-22 & VP-28, Explosive Ordinance Disposal Unit 1, Special Projects Unit, VA-10 Detachment A, VM-3 Detachment A, VW-1 Detachment A, Radsafe & Decon Unit, Kwajalein Naval Air Station, Bikini Boat Pool, Silverstein* (arrives Aug 25th)

 

Operation Hardtack II

Nevada Test Site (NTS) 1958

Shots Eddy, Mora, Quay, Lea, Hamilton, Dona Ana, Rio Arriba, Socorro, Wrangell, Rushmore, Sanford, De Baca, Humboldt, Mazama, Santa Fe

Operation Hardtack II included 37 tests, the largest test series so far, exceeding the 35 tests of the just completed Hardtack I.  Hardtack I had focused primarily on high yield proof or developmental tests of complete thermonuclear weapons, which necessitated it be conducted in the distant Pacific (a total of 35.6 Mt being fired). In contrast, Hardtack II consisted exclusively of low yield tests, many of them attempted zero-yield one-point safety tests, which could be conducted in relative safety in Nevada (some were underground).  Only 45.8 kt total was fired in Hardtack II, and, of this, only 18.5 kt was fired above ground.  This was a dramatic turnaround from the previous Nevada test series, Plumbbob, in which the above ground Hood shot by itself was 74 kt.

Dates: Sept. 19 – Oct. 31, 1958

Videos

Operation Hardtack II

List of Participants

Air Force Participation

 

SHOT DATE SITE
Eddy 9/19/1958 NTS
Mora 9/29/1958 NTS
Quay 10/10/1958 NTS
Lea 10/13/1958 NTS
Hamilton 10/15/1958 NTS
Dona Ana 10/16/1958 NTS
Rio Arriba 10/18/1958 NTS
Socorro 10/22/1958 NTS
Wrangell 10/22/1958 NTS
Rushmore 10/22/1958 NTS
Sanford 10/26/1958 NTS
De Baca 10/26/1958 NTS
Humboldt 10/29/1958 NTS
Mazama 10/29/1958 NTS
Sante Fe 10/30/1958 NTS

 

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If you were exposed to the effects of Operation Hardtack and have been recently diagnosed with cancer, please call the National Cancer Benefits Center at (800) 414-4328 or use our online form. You may also use request more information.

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The National Cancer Benefits Center (NCBC) helps individuals collect compensation for cancer caused by government-created radiation. Compensation programs include Downwinders®, Atomic Veterans®, Uranium Workers, Nevada Test Site Workers, and Department of Energy Workers for claimants who were civilian nuclear weapons workers employed by the Department of Energy.

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