signals intelligence

  1. Graham1973

    Numbers Stations

    A YouTube series covering 'Numbers Stations' quasi-mysterious shortwave stations, which are widely suspected to be used by various intelligence agencies to contact agents in the field. This series is covering the stations one at a time. When they were more common (In the 1970 - 2000s) time...
    • Graham1973
    • Thread
    • cold war cold war ii early 21st century eastern bloc elint espionage late 20th century north atlantic treaty organisation post-cold war sigint signals intelligence warsaw pact western europe
    • Replies: 25
    • Forum: The Bar
  2. Flyaway

    Buccaneers of the high frontier: Program 989 SIGINT satellites from the ABM hunt to the Falklands War to the space shuttle

    https://thespacereview.com/article/4479/1
    • Flyaway
    • Thread
    • cold war elint falklands conflict great britain national reconnaissance office royal air force sigint signals intelligence united states united states air force
    • Replies: 7
    • Forum: Secret Space Projects
  3. Grey Havoc

    HMS Alliance (P417 / S76)

    HMS Alliance was modified for SIGINT/ELINT work during a yard period in the late 1950s (1958-1960), in particular for monitoring the Soviet Northern Fleet, at least according to the Daily Telegraph obituary of Rear Admiral Martin Wemyss linked below...
    • Grey Havoc
    • Thread
    • 1960s amphion-class submarine cold war elint late 1950s royal navy signals intelligence
    • Replies: 0
    • Forum: Military
  4. Flyaway

    Stealing secrets from the ether: missile and satellite telemetry interception during the Cold War

    https://www.thespacereview.com/article/4316/1
    • Flyaway
    • Thread
    • central intelligence agency cold war electronic warfare elint imperial state of iran islamic republic of iran national security agency post-cold war sigint signals intelligence united states
    • Replies: 4
    • Forum: Secret Space Projects
  5. Flyaway

    The Last Zeppelin Raid 1939

    Actually an early example of a signals intelligence mission: View: https://youtu.be/tfTkgT_XvCc
    • Flyaway
    • Thread
    • 1930s elint luftwaffe pre-world war ii sigint signals intelligence world war ii
    • Replies: 4
    • Forum: The Bar
  6. Flyaway

    Applied witchcraft: American communications intelligence satellites during the 1960s

    Another cracking article from Mr Day. https://thespacereview.com/article/4051/1
    • Flyaway
    • Thread
    • 1960s cold war comint satellites elint imperial japanese navy leo satellite low earth orbit national reconnaissance office sigint signals intelligence soviet union strategic reconnaissance united states world war ii
    • Replies: 3
    • Forum: Secret Space Projects
  7. A Tentative Fleet Plan

    Air Staff Target 9003 Photo-Reconaissance Satellite (Early 1960s)

    Source: Norman Friedman's Seapower and Space p365-366. AST.9003 envisaged satellites orbiting at 200 miles in 97 degree (sun-synchronous) orbits carrying two cameras with television readout, and an ELINT Antenna. Resolution of the cameras would be 25 and 5 yards with swath widths of 45 and 7...
  8. Flyaway

    Public Release of SIGINT Phase II Records

    More on link below including the declassified documents themselves. http://www.nro.gov/foia/declass/SIGINT_PhaseII.html
    • Flyaway
    • Thread
    • central intelligence agency cold war electronic warfare lockheed national reconnaissance office national security agency photographic reconnaissance post-world war ii rand corporation signals intelligence space age space race spy sat strategic reconnaissance tactical reconnaissance united states united states air force
    • Replies: 1
    • Forum: Aviation & Space
  9. overscan (PaulMM)

    Spyflights & Overflights : Cold War Aerial Reconnaissance

    Nice-looking new title from Crecy/Hikoki from RC-135-pilot-turned-historian Robert S Hopkins III. Spyflights & Overflights Cold War Aerial Reconnaissance RRP: £29.95 Few aviation subjects have been shrouded in more secrecy or been more controversial than cold war aerial reconnaissance. Former...
    • overscan (PaulMM)
    • Thread
    • central intelligence agency cold war cuban missile crisis elint north atlantic treaty organisation photo-recce photographic reconnaissance republic of china air force royal air force royal swedish air force signals intelligence strategic air command strategic reconnaissance united states air force vietnam war
    • Replies: 23
    • Forum: Books & Marketplace
  10. D

    Latest Marjata variant

    Latest variant of the Norwegian Elint vessel Marjata.
    • DSE
    • Thread
    • electronic warfare kingdom of norway research ship royal norwegian navy sigint signals intelligence
    • Replies: 1
    • Forum: Secret Naval Projects
  11. Triton

    Pentagon Creates Electronic Warfare Programs Council

    "Pentagon Creates Electronic Warfare Programs Council to Boost U.S. Technological Edge" by Megan Eckstein March 17, 2015 10:16 AM • Updated: March 17, 2015 11:15 AM Source: http://news.usni.org/2015/03/17/pentagon-creates-electronic-warfare-programs-council-to-boost-u-s-technological-edge
    • Triton
    • Thread
    • 2010s 2020s cold war ii cyberwar department of defense electronic warfare elint post-cold war signals intelligence united states
    • Replies: 27
    • Forum: Military
  12. Hood

    British Sigint Ship Programme

    Richard J. Aldrich’s recent book ‘GCHQ: An uncensored story of Britain’s most secret intelligence agency’ features some information on the planned Sigint ship of the 1960s. He gives a history elsewhere in the book about the operations of HMS Totem and Turpin in the 1950s. He goes on to say...
    • Hood
    • Thread
    • admiralty research department atomic energy authority industrial group atomic ships gchq harland & wolff ministry of transport nuclear powered vessels racal electronics plc royal navy sigint signals intelligence
    • Replies: 27
    • Forum: Secret Naval Projects
  13. bobbymike

    National Security Agency's Exaflop Computer?

    The National Security Agency is designing a new $895.6 million supercomputing center that will be constructed at its Fort Meade, Md., headquarters over the next several years, Department of Defense budget documents reveal. The NSA's new High Performance Computing Center, slated to be complete by...
    • bobbymike
    • Thread
    • computing early 2010s national security agency nsa signals intelligence united states
    • Replies: 5
    • Forum: The Bar
  14. overscan (PaulMM)

    Secret Projects: Military Space Technology by Bill Rose

    I must preface this first look review by saying that, while I'm interested in space technology, its not my speciality, so I'm approaching this book from this angle. Bill Rose has put together a well written and nicely illustrated book on various military space projects. Its 192 pages long and...
    • overscan (PaulMM)
    • Thread
    • anti-satellite cold war early 21st century electronic warfare elint great britain late 20th century nasa photographic reconnaissance post-cold war signals intelligence soviet union space weapons spaceplane ssto strategic reconnaissance tactical reconnaissance third reich united states world war ii
    • Replies: 35
    • Forum: Books & Marketplace
  15. S

    Military Concorde

    Curious to know if Concorde was ever considered in a military role, maybe as a recce aircraft or cruise missile platform? Would this have been feasible?
    • Stormbreaker
    • Thread
    • alcm cold war electronic warfare elint great britain hypersonic nuclear battlefield raf strike command royal air force sigint signals intelligence strategic bomber strategic reconnaissance supersonic transport tactical reconnaissance
    • Replies: 98
    • Forum: Aviation & Space
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