{"type":"programs","slug":"1956-ws117l-corona","title":"WS-117L and CORONA","url":"https://disclosdex.com/programs/1956-ws117l-corona","description":"First successful space-based photographic reconnaissance program that revolutionized satellite intelligence gathering during the Cold War","date":"1956-10-01T00:00:00.000Z","tags":["CIA"],"updated":"2025-06-13T13:26:43.000Z","connectionCount":0,"content":{"markdown":"## Origins and Context\n\nThe Air Force initiated Weapon System 117L (WS-117L) in October 1956 to develop America's first reconnaissance satellite system.[^1] This evolved into the classified CORONA program in 1958, jointly managed by the CIA and Air Force.[^2]\n\n## Program Structure\n\nThe program used modified Thor-Agena rockets to launch satellites carrying specialized cameras.[^3] After capturing images, the satellites ejected film capsules that were recovered mid-air by specially equipped aircraft.[^4]\n\n## Legacy\n\nCORONA revolutionized intelligence gathering by providing unprecedented imagery of denied territories.[^5] The program completed 145 launches between 1959-1972, photographing over 750 million square miles of the Earth's surface.[^6]\n\n[^1]: [CIA FOIA - WS-117L](https://www.cia.gov/readingroom/document/cia-rdp85b00803r000100040002-8)\n\n[^2]: [NRO - CORONA: America's Eyes in Space](https://www.nro.gov/About-NRO/history/history-corona/)\n\n[^3]: [CIA FOIA - CORONA Program History Volume II: Governmental Activities](https://www.cia.gov/readingroom/document/cia-rdp89b00980r000500080001-1)\n\n[^4]: [CIA FOIA - CORONA Program History Volume IV: Recovery From Orbit](https://www.cia.gov/readingroom/document/cia-rdp89b00980r000500100001-8)\n\n[^5]: [CIA Museum - CORONA Film](https://www.cia.gov/legacy/museum/artifact/corona-film/)\n\n[^6]: [NRO - CORONA: America's Eyes in Space](https://www.nro.gov/About-NRO/history/history-corona/); [CIA Museum - CORONA Parachute Bag](https://www.cia.gov/legacy/museum/artifact/corona-parachute-bag/)","readingTime":"1 min read"},"relatedRecords":[],"citation":{"canonicalUrl":"https://disclosdex.com/programs/1956-ws117l-corona","title":"WS-117L and CORONA","publisher":"Disclosdex","retrievedFrom":"https://disclosdex.com/api/v1/programs/1956-ws117l-corona","license":"CC-BY-4.0"}}