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  2. Air Force Two - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Two

    Air Force Two is the air traffic control designated call sign held by any United States Air Force aircraft carrying the vice president of the United States, but not the president. [ 1 ] [ 2 ] The term is often associated with the Boeing C-32 , a modified 757 which is most commonly used as the vice president's transport.

  3. VideoGuard - Wikipedia

    en.wikipedia.org/wiki/VideoGuard

    VideoGuard (sometimes referred to simply as NDS), produced by NDS, is a digital encryption system for use with conditional access television broadcasting. It is used on digital satellite television systems – some of which are operated by News Corporation, which owned about half (49%) of NDS until its sale to Cisco in 2012 (becoming Cisco Videoscape division). [1]

  4. Air transports of heads of state and government - Wikipedia

    en.wikipedia.org/wiki/Air_transports_of_heads_of...

    Air transports for heads of state and government are, in many countries, provided by the air force in specially equipped airliners or business jets.One such aircraft in particular has become part of popular culture: Air Force One, used by the President of the United States and operated by the United States Air Force.

  5. Air Force One - Wikipedia

    en.wikipedia.org/wiki/Air_Force_One

    Air Force One is the official air traffic control-designated call sign for a United States Air Force aircraft carrying the president of the United States. The term is commonly used to denote U.S. Air Force aircraft modified and used to transport the president, and as a metonym for the primary presidential aircraft, VC-25 , although it can be ...

  6. Air Force Two (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Air_Force_Two_(disambiguation)

    Air Force Two is the call sign for any U.S. Air Force aircraft carrying the Vice President of the United States. Air Force Two may also refer to: Boeing C-32, the Boeing 757-based aircraft most often used as Air Force Two; In Her Line of Fire, a film known as Air Force Two in several countries; Japanese Air Force Two

  7. VideoCrypt - Wikipedia

    en.wikipedia.org/wiki/VideoCrypt

    Hackers discovered methods of preventing Sky from killing or deactivating their cards. The simplest of these attacks relied on the fact that Sky was using EPROM technology for its smartcards at the time. Thus by modifying the decoder to limit the write voltage to the card, it was possible to stop cards being turned off over the air.

  8. VC-137C SAM 26000 - Wikipedia

    en.wikipedia.org/wiki/VC-137C_SAM_26000

    The last time SAM 26000 carried a serving president was in January 1998 when President Bill Clinton's Air Force One, SAM 27000, got stuck in the mud in Champaign, Illinois, at University of Illinois Willard Airport. [44] [45] SAM 26000 was sitting at Grissom Air Reserve Base in Peru, Indiana, to serve as the backup Air Force One. SAM 26000 was ...

  9. Synthetic vision system - Wikipedia

    en.wikipedia.org/wiki/Synthetic_vision_system

    Synthetic vision was developed by NASA and the U.S. Air Force in the late 1970s [2] and 1980s in support of advanced cockpit research, and in 1990s as part of the Aviation Safety Program. Development of the High Speed Civil Transport fueled NASA research in the 1980s and 1990s. In the early 1980s, the USAF recognized the need to improve cockpit ...