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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 Hanyok

ALSO APPEARS AS

Robert Hanyok

APPEARS IN THE MARGINS OF

CLOSED
NSA Intelligence on Gulf of Tonkin Attack: Real-Time vs. Retrospective Analysis
The Gulf of Tonkin incident in August 1964 involved two alleged naval engagements between the USS Maddox and North Vietnamese torpedo boats. The first engagement on August 2, 1964, is widely accepted …
ACTIVE
State Department Doubts on Gulf of Tonkin Second Attack (1964-1965)
The Gulf of Tonkin incident, particularly the alleged second attack on August 4, 1964, remains a controversial event that significantly escalated U.S. involvement in the Vietnam War. While the initial…
ACTIVE
Gulf of Tonkin Incident: Alleged Suppression of Dissenting Intelligence Assessments
The Gulf of Tonkin Incident in August 1964 served as a critical justification for increased U.S. involvement in Vietnam. While the first engagement on August 2 is widely accepted as having occurred, t…
ACTIVE
State Department INR Gulf of Tonkin Analyses: Revisions and Retractions
The Gulf of Tonkin incidents in August 1964 led to the passage of the Gulf of Tonkin Resolution, authorizing increased U.S. military involvement in Vietnam. While the U.S. government initially asserte…
ACTIVE
NSA and Navy Historical Reviews of Gulf of Tonkin Radar and Sonar Tapes (1964-2005)
This dossier investigates the existence and content of internal NSA or Navy historical reviews conducted between 1964 and 2005 concerning the analysis of radar and sonar tapes from the August 4, 1964,…
ACTIVE
Gulf of Tonkin Incident: Availability of Raw Radar and Sonar Data from August 4, 1964
The Gulf of Tonkin incident, occurring in August 1964, involved alleged naval confrontations between U.S. destroyers and North Vietnamese patrol boats. While the first engagement on August 2 is widely…
ACTIVE
NSA Internal Review of Hanyok's Gulf of Tonkin Conclusions
This dossier investigates the internal NSA review process that led to historian Robert Hanyok's conclusions regarding the Gulf of Tonkin incident. Hanyok's 2001 article, "Skunks, Bogies, Silent Hounds…
ACTIVE
NSA Analysts' Dissenting Intelligence on Gulf of Tonkin Incident (August 1964)
The Gulf of Tonkin incident in August 1964 involved two alleged naval engagements between the USS Maddox and North Vietnamese patrol boats. While the first attack on August 2 is verified, the occurren…
ACTIVE
Gulf of Tonkin Second Attack: Intelligence Presented to Congress and Caveats
The Gulf of Tonkin incident in August 1964, particularly the alleged second attack on August 4, became a pivotal event leading to increased US involvement in the Vietnam War. While the first attack on…
CLOSED
Gulf of Tonkin Incident: Radar/Sonar Interpretation vs. Retrospective SIGINT Analysis
The Gulf of Tonkin Incident, particularly the alleged second attack on August 4, 1964, was a pivotal event that escalated U.S. involvement in Vietnam. Immediately following the alleged incident, offic…