What Truman's Top Secret Rules Actually Required

Introduction

Executive Order 10290, signed by President Harry S. Truman on 24 September 1951, made close accountability for Top Secret information a government-wide requirement. Agencies had to designate Top Secret Control Officers, those officers had to receive and dispatch Top Secret information and maintain registers of it, access was to be kept to an absolute minimum, and transmission normally required controlled channels and receipts.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

What the order did not do was impose one universal control-number format on every Top Secret page produced anywhere in the executive branch. Truman deliberately established minimum standards while leaving agency heads responsible for additional instructions and for detailed procedures governing handling inside their agencies.[The American Presidency Project]presidency.ucsb.eduThe American Presidency ProjectExecutive Order 10290—Prescribing Regulations Establishing Minimum Standards for the Classification, Trans… That distinction is important when assessing alleged MJ-12 documents. Executive Order 10290 establishes that Top Secret material should leave an accountability trail; it does not establish that every genuine document must display the same visible number, copy notation or page layout. Those details have to be tested against the rules of the originating and receiving organisations.

The duties of Top Secret Control Officers

Truman’s order was more than a general instruction to “be careful” with secrets. It created an administrative structure for controlling the government’s most sensitive classified information. Agency heads retained ultimate responsibility for safeguarding classified information and could designate officials responsible specifically for Top Secret control. They also had to restrict authority to classify information Top Secret much more tightly than authority at lower levels.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

The most important provision for the control-number debate appears in the transmission rules. Executive Order 10290 required each agency head to designate Top Secret Control Officers to “receive, maintain registers of, and dispatch” all Top Secret security information. Transmission was preferably to occur through direct contact between the officials concerned, or through specifically designated personnel, diplomatic pouch, a purpose-built messenger-courier system or encrypted electrical transmission.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

The surrounding rules reinforce the point that accountability concerned a process, not merely a stamp. For Top Secret and Secret information sent outside an agency, the order required opaque inner and outer covers. The inner cover carried the classification and address while the outer cover gave no indication of classification. A receipt identifying the sender, recipient and document was to accompany the material and be signed and returned by the recipient. Inside an agency, however, the agency head was to issue regulations providing an equivalent degree of security rather than follow one centrally prescribed handling format.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

Dissemination was similarly restricted. Holding a particular office or rank did not by itself entitle someone to classified information; access depended on official need. For Top Secret information, the order required “special measures” to reduce dissemination to an absolute minimum, and only the portion needed for an organisational unit or individual’s work was supposed to be released. Reproduction of Top Secret and Secret information originating in another agency also required that agency’s consent.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

Destruction formed another part of the accountability system. Top Secret, Secret and Confidential documents were normally to be destroyed by burning in the presence of an appropriate official, or by another method authorised as equally complete. Records of destruction for Top Secret and Secret security information were to be maintained under procedures established by the agency head.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951

Taken together, these provisions establish a strong historical baseline: during the period covered by Executive Order 10290, genuine Top Secret material was supposed to exist inside a controlled administrative system. Receipt, custody, dissemination, transmission and destruction were not casual matters. A Top Secret document might therefore be expected to generate registry entries, receipts, copy-accountability records or other traces even where a particular surviving sheet did not display all of those controls on its face.

What Executive Order 10290 did not standardise

The crucial qualification lies in the title and structure of the order itself. Truman prescribed minimum standards applicable across the executive branch. He explicitly allowed agency heads to issue additional safeguarding instructions according to their agencies’ requirements, while making them responsible for such matters as dissemination procedures, destruction procedures, communications security and the control of specialised material.[The American Presidency Project]presidency.ucsb.eduThe American Presidency ProjectExecutive Order 10290—Prescribing Regulations Establishing Minimum Standards for the Classification, Trans…

Truman’s accompanying public statement helps define what he regarded as standardised. He explained that originating agencies were to mark protected information with “Security Information” plus one of four classifications — Top Secret, Secret, Confidential or Restricted — and that these were the standard classifications already used by the Departments of Defense and State. He also directed continuing National Security Council review intended to encourage uniform compliance.[Harry S. Truman Presidential Library]trumanlibrary.govHarry S. Truman Presidential LibraryStatement by the President Upon Signing Executive Order Prescribing Regulations for Classifying and P…

That is significant because the order could have prescribed a universal visible Top Secret control number if that had been its purpose. Instead, its government-wide requirement was for registering and controlling Top Secret information. The detailed mechanics could be supplied by agencies.

CIA practice illustrates how much more specific an agency’s implementing rules could become. A surviving CIA correspondence handbook instructed personnel that Top Secret material had to be protected from the moment it was prepared, including at draft stage, and that Top Secret documents passing into or out of an office’s custody had to be logged by the relevant Area Top Secret Control Officer.[CIA]cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.gov)December 22, 2016…Published: December 22, 2016

The same CIA instructions went well beyond Executive Order 10290’s wording. Each copy of every page of Top Secret correspondence was to carry a CIA Top Secret control number obtained from the control officer. The lower-right identification block also recorded the stage of preparation — such as draft, final or revision — and the copy number. Separate instructions specified page numbering and how Top Secret enclosures were to be identified.[CIA]cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.gov)December 22, 2016…Published: December 22, 2016

Surviving CIA records show that this was not merely theoretical paperwork. A Top Secret CIA signature record from April 1951 identifies its source, copy number, number of pages and CIA control number and states that the cover sheet was to remain attached to a Top Secret document until it was downgraded, destroyed or transmitted outside the CIA. Another surviving January 1951 example similarly carries a CIA control number and copy information.[CIA]cia.govSIGNATURE RECORD AND COVER SHEET | CIA FOIA (foia.cia.govSIGNATURE RECORD AND COVER SHEET | CIA FOIA (foia.cia.gov)April 27, 1951…Published: April 27, 1951

These examples expose the weakness in treating one organisation’s document format as a government-wide rule. The CIA could require a control number on every page because CIA procedures required it. Executive Order 10290 itself required the broader control system but did not say that every agency must reproduce the CIA’s page-level notation.

The rule changed in December 1953

Chronology matters especially for alleged MJ-12 material. Executive Order 10290 governed executive-branch classification from September 1951 until 15 December 1953, when President Dwight D. Eisenhower’s Executive Order 10501 took effect and expressly revoked Truman’s order. The National Archives’ executive-order records confirm that succession.[National Archives]archives.govNational Archives Executive Orders Disposition Tables | National ArchivesNational Archives Executive Orders Disposition Tables | National Archives

Eisenhower did not abandon Top Secret accountability. Executive Order 10501 instructed department and agency heads to prescribe procedures necessary to control classified information effectively, with “particularly severe” controls for Top Secret material. Top Secret Control Officers were still to be designated as required to receive Top Secret material, maintain accountability registers and dispatch it.[The American Presidency Project]presidency.ucsb.eduOpen source on ucsb.edu. In that sense, the administrative principle established under Truman continued even though the governing executive order changed.

This creates an important date boundary for MJ-12 analysis. An alleged document dated in 1952 can properly be compared with Executive Order 10290 and the applicable agency rules then in force. A document dated in 1954 cannot accurately be described as directly governed by Truman’s order: by then Executive Order 10501 was operative. The two regimes shared the principle of stringent Top Secret accountability, but authentication should use the rule actually in force on the document’s purported date.

That point is particularly relevant to the alleged Cutler–Twining memorandum of 14 July 1954. Its missing Top Secret register number cannot be proved anomalous merely by invoking Truman’s 1951 order. The stronger evidence is much more specific: the National Archives reports that the Air Force record series in which the memorandum was found was filed by Top Secret register number, yet the document itself bears no such number.[National Archives]archives.govNational Archives Project BLUE BOOKNational Archives Project BLUE BOOK That is an archival and procedural mismatch tied to the document’s actual filing environment, not a deduction from a supposed universal Truman-era numbering rule.

Why agency-level procedures matter for MJ-12

This produces a more reliable way to assess control-number objections to alleged MJ-12 papers:

• First ask which security regime applied on the claimed date. Executive Order 10290 applies to the period from September 1951 until 15 December 1953; Executive Order 10501 applies after that transition.[The American Presidency Project]presidency.ucsb.eduOpen source on ucsb.edu.
• Then identify the purported originating and receiving organisations. Truman expressly permitted agencies to issue additional instructions, so CIA, Air Force, White House and other procedures cannot automatically be treated as interchangeable.[The American Presidency Project]presidency.ucsb.eduThe American Presidency ProjectExecutive Order 10290—Prescribing Regulations Establishing Minimum Standards for the Classification, Trans…
• Separate registration from visible marking. Executive Order 10290 clearly required Top Secret Control Officers to maintain registers, but that is not the same proposition as requiring a universally formatted control number printed on every page.[Harry S. Truman Presidential Library]trumanlibrary.govexecutive order 10290Harry S. Truman Presidential LibraryEXECUTIVE ORDER 10290 | Harry S. TrumanSeptember 24, 1951…Published: September 24, 1951
• Give the greatest weight to document-specific procedural evidence. If contemporary instructions for the purported organisation required a control number, copy number or other notation in that precise circumstances, its absence becomes substantially more informative. CIA’s detailed page-marking rules provide a clear example of such an agency-specific standard.[CIA]cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.govCORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.gov)December 22, 2016…Published: December 22, 2016
• Check the archival series as well as the document face. The National Archives’ finding that the Cutler–Twining memo lacks the number by which its particular series was organised is stronger evidence than a general claim that “all Top Secret documents had numbers”.[National Archives]archives.govNational Archives Project BLUE BOOKNational Archives Project BLUE BOOK

The resulting distinction is narrow but consequential. Truman’s security rules strongly support the proposition that Top Secret information was meant to be accounted for. They do not support a universal authentication rule under which the absence of one particular visible control-number format automatically makes any document false.

For the alleged MJ-12 documents, the useful question is consequently not simply “Where is the Top Secret control number?” It is: What control procedure applied to this document, in this organisation, on this date, and does the surviving paper conform to it? Executive Order 10290 supplies the government-wide foundation for that enquiry. The agency’s contemporary regulations, registry practices and surviving comparable records determine how far a particular missing number can actually carry the argument.

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Endnotes

1. Source: cia.gov
Title: CORRESPONDENCE STYLE & PROCEDURES | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp74-00005r000200060045-8

Published: December 22, 2016

2. Source: cia.gov
Link:https://www.cia.gov/readingroom/docs/CIA-RDP74-00005R000200060045-8.pdf

3. Source: cia.gov
Title: SIGNATURE RECORD AND COVER SHEET | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp57-00384r000700010040-1

Published: April 27, 1951

4. Source: cia.gov
Title: SIGNATURE RECORD AND COVER SHEET | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp57-00384r000700010070-8

5. Source: archives.gov
Title: National Archives Executive Orders Disposition Tables | National Archives
Link:https://www.archives.gov/federal-register/executive-orders/1951.html

6. Source: archives.gov
Title: National Archives Project BLUE BOOK
Link:https://www.archives.gov/research/military/air-force/ufos

7. Source: uscodeweb1.house.gov
Link:https://uscodeweb1.house.gov/view.xhtml?edition=prelim&num=0&req=granuleid%3AUSC-prelim-title50-section3161

8. Source: archives.gov
Link:https://www.archives.gov/research/jfk/available-online

9. Source: archives.gov
Title: ISCA P Releases | National Archives
Link:https://www.archives.gov/declassification/iscap/releases

10. Source: archives.gov
Title: JF K Assassination Records
Link:https://www.archives.gov/research/jfk/release-2017-2018?order=Review+Date&origen=app&page=335&sort=asc

11. Source: archives.gov
Title: Inventory of the Warren Commission’s Records | National Archives
Link:https://www.archives.gov/research/jfk/warren-commission-report/inventory

12. Source: archives.gov
Title: JF K Assassination Records
Link:https://www.archives.gov/research/jfk/release-2022?order=Review+Date&page=67&sort=desc

13. Source: archives.gov
Title: decision table fy2016 0
Link:https://www.archives.gov/declassification/iscap/decision-table-fy2016-0

14. Source: archives.gov
Link:https://www.archives.gov/research/foreign-policy/cold-war/ref-info-paper-107

15. Source: archives.gov
Title: ISCA P Releases | National Archives
Link:https://www.archives.gov/declassification/iscap/decision-table

16. Source: archives.gov
Title: decision table fy2016
Link:https://www.archives.gov/declassification/iscap/decision-table-fy2016

17. Source: cia.gov
Title: CRAF T PRELIMINARY REQUIREMENTS DEFINITION | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp85-00809r000300170021-2

18. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp79b01709a000600080026-1

19. Source: archives.gov
Title: Executive Orders Disposition Tables | National Archives
Link:https://www.archives.gov/federal-register/executive-orders/1961-kennedy.html

20. Source: archives.gov
Title: Executive Orders Disposition Tables | National Archives
Link:https://www.archives.gov/federal-register/executive-orders/1961-eisenhower.html

21. Source: archives.gov
Title: Records of J. Lee Rankin | National Archives
Link:https://www.archives.gov/research/jfk/finding-aids/rankin-records.html

22. Source: archives.gov
Title: Military Resources: Classified/Declassified Records | National Archives
Link:https://www.archives.gov/research/alic/reference/military/records-declassification.html

23. Source: commdocs.house.gov
Title: hju63865 0
Link:https://commdocs.house.gov/committees/judiciary/hju63865.000/hju63865_0.HTM

24. Source: cia.gov
Title: LETTE R TO THE PRESIDENT GENEVA TALKS | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp87m00539r001001390004-1

25. Source: cia.gov
Title: DRAF T NSDD
Link:https://www.cia.gov/readingroom/document/cia-rdp90b01013r000300540005-1

26. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp10t01930r000600030019-1

27. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp10t01930r000600030024-5

28. Source: cia.gov
Title: cia rdp80b01495r000200130004 5
Link:https://www.cia.gov/readingroom/document/cia-rdp80b01495r000200130004-5

29. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp80b01495r000200130005-4

30. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp80b01495r000200130009-0

31. Source: archives.gov
Link:https://www.archives.gov/research/guide-fed-records/groups/341.html

32. Source: archives.gov
Link:https://www.archives.gov/research/guide-fed-records/groups/319.html?mobile-app=true&theme=dark

33. Source: cia.gov
Title: NPI C PUBLICATIONS GUIDE | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp78t04759a008500010069-9

34. Source: cia.gov
Title: CORRESPONDENC E CONTROL PROCEDURE | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp78-04986a000100120078-7

35. Source: cia.gov
Title: cia rdp82m00097r000300070008 4
Link:https://www.cia.gov/readingroom/document/cia-rdp82m00097r000300070008-4

36. Source: cia.gov
Title: cia rdp82m00097r000300070010 1
Link:https://www.cia.gov/readingroom/document/cia-rdp82m00097r000300070010-1

37. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp80b01139a000500190003-6

38. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp70-00211r000300190007-0

39. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp82-00400r000200030010-1

40. Source: cia.gov
Title: SIGNATUR E RECORD AND COVER SHEET | CIA FOIA (foia.cia.gov)
Link:https://www.cia.gov/readingroom/document/cia-rdp57-00384r000700010058-2

41. Source: cia.gov
Link:https://www.cia.gov/readingroom/document/cia-rdp83-01034r000200090022-7

42. Source: trumanlibrary.gov
Title: executive order 10290
Link:https://www.trumanlibrary.gov/library/executive-orders/10290/executive-order-10290

Published: September 24, 1951

43. Source: presidency.ucsb.edu
Link:https://www.presidency.ucsb.edu/documents/executive-order-10290-prescribing-regulations-establishing-minimum-standards-for-the

44. Source: en.wikisource.org
Title: Executive Order 10290
Link:https://en.wikisource.org/wiki/Executive_Order_10290

45. Source: trumanlibrary.gov
Link:https://www.trumanlibrary.gov/library/public-papers/233/statement-president-upon-signing-executive-order-prescribing-regulations

46. Source: presidency.ucsb.edu
Link:https://www.presidency.ucsb.edu/documents/executive-order-10501-safeguarding-official-information-the-interests-the-defense-the

47. Source: trumanlibrary.gov
Title: Philip D. Lagerquist Oral History Interview | Harry S. Truman
Link:https://www.trumanlibrary.gov/library/oral-histories/lagerqui

48. Source: trumanlibrary.gov
Title: Vernice Anderson Oral History Interview | Harry S. Truman
Link:https://www.trumanlibrary.gov/library/oral-histories/andrsonv

49. Source: trumanlibrary.gov
Title: executive orders
Link:https://www.trumanlibrary.gov/library/executive-orders?day=All&month=All&page=11&year=All

50. Source: trumanlibrary.gov
Title: harry s truman papers staff member and office files map room file
Link:https://www.trumanlibrary.gov/library/truman-papers/harry-s-truman-papers-staff-member-and-office-files-map-room-file

51. Source: trumanlibrary.gov
Link:https://www.trumanlibrary.gov/node/354940

52. Source: trumanlibrary.gov
Title: Snyder, John W. Papers | Harry S. Truman* Plancor 266
Link:https://www.trumanlibrary.gov/library/personal-papers/john-w-snyder-papers

53. Source: presidency.ucsb.edu
Title: executive orders
Link:https://www.presidency.ucsb.edu/documents/app-categories/written-presidential-orders/presidential/executive-orders?items_per_page=20&page=206

54. Source: presidency.ucsb.edu
Link:https://www.presidency.ucsb.edu/documents/executive-order-10901-amendment-executive-order-10501-relating-safeguarding-official

55. Source: en.wikisource.org
Title: Executive Order 10501
Link:https://en.wikisource.org/wiki/Executive_Order_10501

56. Source: trumanlibrary.gov
Title: further statement president decision withdraw us forces korea 1947 1949
Link:https://www.trumanlibrary.gov/library/public-papers/323/further-statement-president-decision-withdraw-us-forces-korea

57. Source: trumanlibrary.gov
Title: The President’s News Conference | Harry S. Truman
Link:https://www.trumanlibrary.gov/library/public-papers/228/presidents-news-conference

58. Source: trumanlibrary.gov
Link:https://www.trumanlibrary.gov/node/355791

59. Source: trumanlibrary.gov
Link:https://www.trumanlibrary.gov/node/354851

60. Source: trumanlibrary.gov
Title: The President’s News Conference | Harry S. Truman
Link:https://www.trumanlibrary.gov/library/public-papers/29/presidents-news-conference

61. Source: trumanlibrary.gov
Title: executive order 10104
Link:https://www.trumanlibrary.gov/library/executive-orders/10104/executive-order-10104

Additional References

62. Source: youtube.com
Title: Evaluation of Two ‘Leaked’ UFO Documents | Robert Wood
Link:https://www.youtube.com/watch?v=am_VYCyLslc

63. Source: youtube.com
Title: Inside ISOO: How FY24 Set the Stage for Smarter Information Sharing
Link:https://www.youtube.com/watch?v=UyAvIcLXwco

64. Source: youtube.com
Title: Reforming the Classification System: Challenges, Approaches, and Priorities
Link:https://www.youtube.com/watch?v=fQB41Pe0NCs

65. Source: youtube.com
Link:https://www.youtube.com/watch?v=ogJplVuElLs

66. Source: youtube.com
Title: Transparency, Technology, and the Future of Information Security
Link:https://www.youtube.com/watch?v=I8Z13ohS824

67. Source: youtube.com
Link:https://www.youtube.com/watch?v=zfIPef7TPA8

68. Source: sweetstudy.com
Link:https://www.sweetstudy.com/sites/default/files/qx/15/03/22/03/computer_security.pdf

69. Source: famous-trials.com
Link:https://famous-trials.com/ellsberg/283-statement

70. Source: congressionalresearch.com
Link:https://congressionalresearch.com/RL33494/document.php?study=Security+Classified+and+Controlled+Information+History+Status+and+Emerging+Management+Issues

71. Source: everycrsreport.com
Link:https://www.everycrsreport.com/reports/RL33494.html