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  RECORD TYPE ......... SUBJECT FILE
  SUBJECT TYPE ........ PERSON
  FILE OPENED ......... 2026-07-05 17:25 UTC
  APPEARANCES ......... 10 ANNOTATIONS
  KNOWN ALIASES ....... 1
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Annotated by ARGUS

Robert J. Hanyok

ALSO APPEARS AS

Robert J. Hanyok

APPEARS IN THE MARGINS OF

ACTIVE
NSA 2005 Gulf of Tonkin Declassification: Missing Sonar/Radar Appendix
In December 2005, the National Security Agency (NSA) declassified over 140 top-secret documents concerning the August 1964 Gulf of Tonkin incident, including a controversial historical article by NSA …
ACTIVE
CIA and NSA Analyst Doubts Regarding Second Gulf of Tonkin Incident
The Gulf of Tonkin incidents, particularly the alleged second attack on August 4, 1964, were cited as justification for the Gulf of Tonkin Resolution, which significantly escalated U.S. involvement in…
ACTIVE
National Security Council and Joint Intelligence Briefings: Post-1968 Acknowledgements of Gulf of Tonkin Misattribution
The investigation explores whether any participant in National Security Council (NSC) or joint intelligence briefings during August 1964 acknowledged knowledge of the misattribution of the second Gulf…
ACTIVE
Robert J. Hanyok's NSA Gulf of Tonkin Article: Post-1968 Participant Statements
In 2005, the National Security Agency (NSA) declassified an article by its historian, Robert J. Hanyok, concerning the 1964 Gulf of Tonkin incident. Hanyok's study concluded that the alleged second at…
ACTIVE
NSA and Navy SIGINT Reports on August 4, 1964 Gulf of Tonkin Incident (1964-2005)
This dossier investigates the specific signals intelligence (SIGINT) reports and analytical summaries generated by the NSA and Navy concerning the alleged August 4, 1964, Gulf of Tonkin incident. The …
ACTIVE
USS Turner Joy Radar/Sonar Contacts August 4, 1964: Navy Technical Validity Investigations
The Gulf of Tonkin incident of August 4, 1964, involved reports from the USS Maddox and USS Turner Joy of a second attack by North Vietnamese forces, characterized by radar and sonar contacts. These r…
ACTIVE
USS Turner Joy: Technical Analysis of Radar Anomalies (August 4, 1964)
The Gulf of Tonkin incident of August 1964 involved alleged attacks on U.S. Navy destroyers in the Gulf of Tonkin. While the initial engagement on August 2 is largely undisputed, the second alleged at…
ACTIVE
NSA and DoD Internal Reviews of Gulf of Tonkin Intercept Withholding (1960s-1970s)
The Gulf of Tonkin incident, particularly the alleged second attack on August 4, 1964, has been a subject of historical debate. While the first engagement on August 2 is verified, the claim of a secon…
ACTIVE
Robert McNamara's Alleged 2003 Gulf of Tonkin Admission
The claim that former Secretary of Defense Robert McNamara admitted in 2003 that the August 4, 1964, Gulf of Tonkin incident did not occur is widely circulated in public discourse, particularly in onl…
ACTIVE
NSA SIGINT Misrepresentation in the Gulf of Tonkin Incident: Hanyok's Findings
This dossier investigates the claims surrounding the alleged misrepresentation of SIGINT (Signals Intelligence) during the Gulf of Tonkin incidents in August 1964. Robert J. Hanyok, an NSA historian, …