A 1992 Joint Staff tally listed 21 Cold War spy plane losses and 131 unaccounted-for servicemen. The released file, its loss table and what is withheld.
Archives
Project SHAMROCK: The NSA’s Telegram Program
From 1945 to 1975 the NSA got copies of Americans’ overseas telegrams from three cable firms, without warrants. The Church record and NSA’s own history.
Archives
NSA’s Declassified History of the Gulf of Tonkin Incidents
NSA’s declassified Gulf of Tonkin history found no second attack on Aug. 4, 1964, and that most signals intelligence was left out of official reports.