Department of Energy · declassified
Operation Hardtack Declassified Documents
82 declassified records on Operation Hardtack, dated 1954 to 1985, released by the U.S. Department of Energy. Each one opens with its archive description, the text of the document and a link to the original scan.
- Apr 9, 1958Note by the Secretary, Subject: Special Shots for Hardtack (Encl; Letter to C T Durham, Subject: re Same, DTD 4-8-58) (Deleted)Report · 3p
- Apr 30, 1959Radiological Safety Support Operation Hardtack Phase-IReport · 46p
- May 8, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map · 5p
- Dec 30, 1957Report on discussion of Pinex experiment with J-12 group at Los AlamosReport · 11p
- Dec 31, 1958Atomic Industrial Progress and Second World Conference July - December 1958 (Partial Document, PP 194-198, DBM Summary, Hardtack I and II Summaries; Marshallese re-Examined 4 Years After Bravo)Report · 6p
- Jan 1, 1958Operation Hardtack, Final Report, Task Group 7.4 Eniwetok, MiReport · 207p
- Sep 30, 1958Quarterly Progress Report to the Joint Committee on Atomic Energy, July - September, 1958, Part Viii, Biology and Medicine (Partial)Report · 6p
- May 31, 1965Gamma Dose Rates at Rongelap Atoll, 1954-1963Report · 21p
- Apr 15, 1958Note by the Secretary, Subject: Joint AEC-DOD Operation Hardtack Public Information PlanReport · 1p
- Aug 31, 1958Report to the Scientific Director, Operation Hardtack, April-October 1958, Report of the Commander Task Group 7.1 (Deleted)Report · 129p
- Dec 31, 1958Task Group 7.4 Operation Hardtack (Deleted)Report · 466p
- Dec 31, 1958Program Status Report to the Joint Committee on Atomic Energy, December 31, 1958, Part VI, Biology and Medicine (Partial) (Duplicate of Document 701915)Report · 15p
- Dec 31, 1958Commanders Report, Task Group 7.1 (Hardtack I Operation) (Deleted)Report · 227p
- Feb 21, 1958Note by the Secretary, Subject: U.n. Observer Program for Hardtack (Partial)Report · 1p
- Oct 6, 1959Operation Hardtack - Radiological Safety - Report to the Scientific DirectorReport · 49p
- Aug 24, 1960Operation Hardtack Projects 2.9/2.12B Gamma Dose from Very-Low-Yield Bursts April - October 1958 (Deleted)Report
- Jul 12, 1960Annual Report of the Laboratory of Radiation Biology University of Washington July 1, 1959 to June 30, 1960Report
- Oct 28, 1960Operation Hardtack, Project 2.13, Gamma Radiation and Induced Activity from Very-Low-Yield Bursts, April - October 1958 (Hardtack-I Operation) (Deleted)Report
- Sep 1, 1985Report to the Scientific Director, Report of the Commander, Task Group 7.1 (Operation Hardtack-I) (Deleted)Report
- Dec 31, 1954Radiological Survey Plan for the Northern Marshall IslandsPlan
- Aug 15, 1957Memo to G Felt, Subject: Radiological Safety Procedures for Enewetak Proving Grounds (Hardtack I Operation) (Enclosures)Correspondence
- Sep 23, 1957Revised Schedule for Construction and or Rehabilitation of Weather and Rad-Safe Stations December 23, 1957Schedule
- Jul 15, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- Jul 19, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- Jun 28, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation) (28 Jun 1958)Discussion; map
- Mar 31, 1958Strontium 90 in Pananus Samples Collected at Rongelap Atoll - March, 1958Table
- May 6, 1958Daily Log - Enewetak Laboratory, February 12 - May 6, 1958, Radiobiological Survey, Hardtack I OperationField log book
- May 9, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- May 12, 1958Press Release, Subject: AEC Announces Nuclear Test DetonationPress release
- May 13, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- May 15, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- May 19, 1958J-3 Daily Diary, Enewetak Atoll (Hardtack I Operation)Discussion; map
- Sep 20, 1958Daily Logs - Enewetak Laboratory, August 19, 1958 - September 20, 1958, Radiobiological Survey, Hardtack I OperationField log book
- Feb 28, 1959Beta-Activity in Soils Collected at Rongelap Island February-March, 1958Table
- Dec 5, 1955Daily Intelligence Abstracts No. 510 (Deleted)Abstract
- Apr 3, 1957Minutes of Meeting Held at Epg on April 3, 1957 (No Enclosures)Meeting minutes
- Apr 30, 1957Schedule - Weather Station Reconnaissance Flight to Kusaie, Ponape, Kapingamarangi and UjelangSchedule
- Aug 13, 19571300TH AEC Meeting - Presidential Approval for Plans for Operation Hardtack (8/13/57)Meeting minutes
- Aug 13, 1957Letter, Subject: Copy of Letter Recently Written to the President, re Operation Hardtack-ICorrespondence
- Jul 29, 1957Memo to a Starbird, Subject: Fallout Program for Operation HardtackCorrespondence
- Jun 7, 1957TWX to Hertford, Et Al, Subject: UCRL Proposal on Use of Taongi Atoll for Hardtack (Hardtack I Operation)Correspondence
- Jun 21, 1957Agenda for 112TH AEC-MLC Conference (PP. 3-7) 1291ST AEC Meeting, 6/21/57Agenda; meeting minutes
- May 13, 1957Teletype to a Graves, Subject: Planning for HardtackCorrespondence
- May 16, 1957Memo to P R Wignall, Subject: in-Place Dates for Operation Hardtack Inter-Island Support AircraftCorrespondence
- Nov 22, 1957Letter to Strauss, Subject: Operation HardtackCorrespondence
- Nov 23, 1957Letter to D D Eisenhower, Subject: Operation HardtackCorrespondence
- Sep 4, 1957Memo to a D Starbird, Subject: Commission Decision on AEC 952/11 - Fallout Program - HardtackCorrespondence
- Apr 1, 19581349TH AEC Meeting - AEC 952/39 - Special Events for HardtackMeeting minutes
- Apr 2, 1958TWX to Graves, Subject: Further Study of 60 Kilton Teak ProposalCorrespondence
- Apr 10, 1958Letter to Commander, JTF7 DTD 4/10/58 and Letter to C F Tiemann, USAF DTD 3/26/58, Subject: Emergency Medical Team for Operation Hardtack (U)Correspondence
- Apr 16, 1958Memo to Chief, AFSWP, Subject: Emergency Medical Team for Operation Hardtack (U)Correspondence
- Apr 25, 1958Letter to D E Hooks, Subject: Reference LTR of April 4, 1958, re Off-Site Sampling for Operation HardtackCorrespondence
- Aug 31, 1958Handwritten Log re Arrival at Wotho IslandHandwritten note; logs or logbooks
- Aug 31, 1958Hardtack I Operation; List of Events; Cloud DataListing; data
- Dec 1, 1958Completion Report, Operation Hardtack, Phase I, 1956-1958. Includes Book ChapterExcerpt
- Dec 31, 1958Radioactive Fall-Out, Radioactive Samples, Radiation and Contamination of Personnel and Property (Hardtack I Operation)Correspondence
- Dec 31, 1958Beta Absorption Graphs and Data from Air Filters, Lincoln Mine, Watertown NV (Plumbob Operation, Diablo Event) and Marshall Islands Area (Hardtack I Event)Data; miscellaneous
- Feb 11, 1958Letter to Hoegh, Subject: Operation HardtackCorrespondence
- Feb 12, 1958Memo to S Thompson, Subject: Draft Information Plan for Operation Hardtack (Parital)Correspondence
- Feb 24, 1958Letter to Loper, Subject: Concerning the Hardtack Test ProgramCorrespondence
- Feb 26, 19581337TH AEC Meeting - AEC 952/31 - U.s. Observer Program for HardtackMeeting minutes
- Feb 28, 19581338TH AEC Meeting - AEC 952/31 - U.n. Observer Program for HardtackMeeting minutes
- Feb 28, 1958AEC Meeting No. 1338 9:30 A.m., Friday, February 28, 1958, Room a-410 Germantown, MarylandMeeting minutes
- Jan 31, 19581328TH AEC Meeting - Polio Vaccinations for Hardtack ObserversMeeting minutes
- Jul 21, 1958Memo to Secretary of State, Subject: Crews of Two Ships Caught in Fallout Near TrukCorrespondence
- Jun 13, 1958Memo to Commander Task Group 7.3, Subject: Report of Operational Phase of Operation Hardtack - USS Hooper Island (ARG17)Correspondence
- Mar 11, 1958Memo, Subject: Task Group 7.1 Radiological Safety Regulations for Operation HardtackCorrespondence
- Mar 11, 1958Memo to Distribution, Subject: Task Group 7.1 Radiological Safety Regulations for Operation Hardtack I (DNA-6038F B.1.6)Correspondence
- Mar 11, 1958Letter to F Richie, Subject: Operation HardtackCorrespondence
- Mar 21, 1958Notice of Completion and Transfer to Operations - Microbarograph Station 3440.02Form
- May 8, 1958Equipment Requirements for Weather Stations re Wotho SiteListing
- May 26, 1958Memo to C L Marshall, Subject: Commission Decision on AEC 952/51 - Declassification of Information Relating to Shot Pinion of Operation HardtackCorrespondence
- Oct 29, 1958Memo to C L Dunham, Subject: Radiation Exposures - Operation Hardtack (Encl: List re Operation Hardtack)Correspondence
- Sep 19, 1958Memo to Chief of Research and Development, Subject: Biomedical Project 4.2, Operation Hardtack, Second Phase (U)Correspondence
- Sep 24, 1958Teletype, Subject: Operational Phase of Hardtack in the Pacific Area Terminated on September 15, 1958Correspondence
- Feb 12, 1959Memo to DRS Weber + Chadwick, Subject: Telephone Conversation with D. Kurvink, Radiation Surveillance Network Operator, Pierre, South Dakota, February 12, 1959 Hardtack II OperationCorrespondence
- Jan 31, 1959Memo to M Salisbury, Subject: Public Announcement on Hardtack Tracer Study (Attach: AEC Atmospheric Radioactivity Studies)Correspondence
- Jul 31, 1960Contribution of Hardtack Debris to Contamination of the Air During 1959Journal article
- UndatedAtolls Contamination by Fallout (Table) (Marshall Islands) (Deleted)Data
- UndatedU.s. Nuclear TestsMap
- UndatedMemo to W B Mccool, Subject: Radiation Program for HardtackCorrespondence
- UndatedTWX, Subject: Planning for HardtackCorrespondence
Other topics
Trinity Test 17Manhattan Project 65Oppenheimer Security Hearing 16Operation Crossroads 21Operation Sandstone 35Operation Greenhouse 36Operation Ivy 44Operation Upshot-Knothole 32Operation Castle and Castle Bravo 165Operation Teapot 22Operation Redwing 75Operation Plumbbob 15Operation Dominic 5Project Plowshare 23Amchitka Island Tests 3Palomares Incident 31Thule B-52 Crash 54Rocky Flats Plant 56Hanford Site 250Nevada Test Site 76Bikini Atoll 239Enewetak Atoll 250Rongelap and Utirik Fallout 240Human Radiation Experiments 250Project Rover and NERVA 18