Clandestine Services History: The Berlin Tunnel
The Central Intelligence Agency has released a newly declassified version of its closely-held internal history of the Berlin Tunnel Operation (pdf), which was an effort in the mid-1950s to tap into Soviet communications through a tunnel constructed in the Soviet sector of Berlin. The operation was famously compromised by a Soviet mole in British intelligence before it even began.
The official CIA history of the operation was prepared in 1968 and published — in two copies. A declassified version was finally approved for release in February 2007.
See “Clandestine Services History: The Berlin Tunnel Operation, 1952-1956,” 24 June 1968.
CIA internal histories are a largely untapped resource since the Agency has been slow to declassify and release them.
A previously published CIA account of the Berlin Tunnel operation, which includes links to limited excerpts from other internal histories of the episode, is here.
A clandestine services history of the 1953 coup in Iran was leaked to the New York Times in 2000, after the CIA refused to declassify it. The document is available from the National Security Archive.
To empower new voices to start their career in nuclear weapons studies, the Federation of American Scientists launched the New Voices on Nuclear Weapons Fellowship. Here’s what our inaugural cohort accomplished.
Common frameworks for evaluating proposals leave this utility function implicit, often evaluating aspects of risk, uncertainty, and potential value independently and qualitatively.
The FAS Nuclear Notebook is one of the most widely sourced reference materials worldwide for reliable information about the status of nuclear weapons and has been published in the Bulletin of the Atomic Scientists since 1987. The Nuclear Notebook is researched and written by the staff of the Federation of American Scientists’ Nuclear Information Project: Director Hans […]
According to the National Center for Education Statistics’ August 2023 pulse panel, 60% of public schools were utilizing a “community school” or “wraparound services model” at the start of this school year—up from 45% last year.