The Historical Review Program, part of the CIA Information Management Services, identifies, collects, and produces historically relevant collections of declassified documents. These collections, centered on a theme or event, are joined with supporting analysis, essays, video, audio, and photographs, and showcased in a booklet plus DVD, and made available to historians, scholars, and the public. AN UNDERWATER All of our Historical Collections are available on the CIA Library Publication Page located at: ICE STATION ZEBRA https://www.cia.gov/library/publications/historical-collection-publications/ USE MOBILE Recovering a Secret Spy Satellite Capsule from 16,400 Feet Below the Pacific Ocean DEVICE TO SCAN or contact us at
[email protected] Crane lifting Trieste II (DSV-1). (Credit: CIA) Table of Contents Note to Reader 1 Partners 2 An Underwater Ice Station Zebra: Recovering A KH-9 Hexagon Capsule From 16,400 Feet Below The Pacific Ocean David Waltrop 5 Selected Declassified CIA Documents 20 Cover: Trieste II (DSV-1) under tow at night. (Credit: Naval Undersea Museum, Keyport, WA) Opposite: Trieste II (DSV-1) stowed in White Sands dock well. (Credit: CIA) Recovering a SECRET SPY SATELLITE CAPSULE AN UNDERWATER ICE STATION ZEBRA Note to Reader As a standard practice, the Historical Collections Division (HCD) collaborates with outside academic institutions, presidential libraries, think tanks, and museums to carry out its mission of releasing historically significant collections of declassified Central Intelligence Agency (CIA) materials to the public. Leveraging the capabilities of multiple organizations more effectively utilizes scarce resources with the ultimate benefit to the American public of greater knowledge of intelligence activities at reduced costs.