Chronology of the National Reconnaissance Office
- 25 May 1972 - CORONA M1117 launched; final mission of CORONA program
- 12 October 1973 - Existence of NRO is inadvertently leaked through the Congressional Record, an official government publication[5]
- 15 August 1978 - William P. Kampiles, CIA staffer, arrested after selling KH-11 Technical Manual to the Soviets[6]
- 1 October 1978 - President Jimmy Carter publicly acknowledges the "fact of" United States' photoreconnaissance satellites[7][8]
- 28 January 1986 - STS-51L Challenger explodes; delays pending launches of NRO satellites
- ^ a b National Reconnaissance Office: "Raising the Periscope... Grab and Poppy, America's early ELINT Satellites"
- ^ "History of the POPPY satellite system"
- ^ "National Air and Space Museum: Looking at Earth exhibit". Archived from the original on 2010-04-08. Retrieved 2009-09-21.
- ^ National Security Archive: Roswell Gilpatric, Letter to Allen Dulles, "Management of the National Reconnaissance Program", 6 September 1961
- ^ Zianet.com: Memorandum for Director Central Intelligence, "BYEMAN security compromises", 30 Oct 1973[permanent dead link]
- ^ CI CENTRE:"William Kampiles espionage case" Archived 2009-03-29 at the Wayback Machine
- ^ National Security Archive: Zbigniew Brzezinski, "Admission of Satellite Reconnaissance", 25 Sep 1978
- ^ National Security Archive: Zbigniew Brzezinski, "Public Acknowledgement of the 'fact of' photoreconnaissance satellites", 21 Sep 1978
- ^ FAS.org:"Department of Defense, No. 264-M, MEMORANDUM FOR CORRESPONDENTS", September 18, 1992
- ^ CI CENTRE: "Brian Regan espionage case" Archived 2009-03-07 at the Wayback Machine
- ^ Air Force Link: "'Mission accomplished' for NRO at Onizuka AFS", 23 Apr 2007 Archived 2011-07-20 at the Wayback Machine
