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  2. Strategic Defense Initiative - Wikipedia

    en.wikipedia.org/wiki/Strategic_Defense_Initiative

    The Strategic Defense Initiative (SDI), derisively nicknamed the Star Wars program, was a proposed missile defense system intended to protect the United States from attack by ballistic nuclear missiles. The program was announced in 1983, by President Ronald Reagan. [1]

  3. Missile Defense Agency - Wikipedia

    en.wikipedia.org/wiki/Missile_Defense_Agency

    The Missile Defense Agency (MDA) is a component of the United States government's Department of Defense responsible for developing a comprehensive defense against ballistic missiles. It had its origins in the Strategic Defense Initiative (SDI) which was established in 1983 by Ronald Reagan and which was headed by Lt. General James Alan Abrahamson.

  4. Social Security Disability Insurance - Wikipedia

    en.wikipedia.org/wiki/Social_Security_Disability...

    Social Security Disability Insurance (SSD or SSDI) is a payroll tax-funded federal insurance program of the United States government.It is managed by the Social Security Administration and designed to provide monthly benefits to people who have a medically determinable disability (physical or mental) that restricts their ability to be employed.

  5. Spatial data infrastructure - Wikipedia

    en.wikipedia.org/wiki/Spatial_data_infrastructure

    The original example of an SDI is the United States National Spatial Data Infrastructure , first mandated in the OMB Circular A-16 in 1996. In Europe since 2007, INSPIRE is a European Commission initiative to build a European SDI beyond national boundaries; the United Nations Spatial Data Infrastructure ( UNSDI ) plans to do the same for over ...

  6. Social Security (United States) - Wikipedia

    en.wikipedia.org/.../Social_Security_(United_States)

    It is the policy of the United States that any State (or political subdivision thereof) may, in the administration of any tax, general public assistance, driver's license, or motor vehicle registration law within its jurisdiction, utilize the social security account numbers issued by the Commissioner of Social Security for the purpose of ...

  7. Selective dissemination of information - Wikipedia

    en.wikipedia.org/wiki/Selective_dissemination_of...

    SDI services pre-date the World Wide Web, and the term itself is somewhat dated. Contemporary analogous systems for SDI services include alerts, current awareness tools or trackers. These systems provide automated searches that inform the user of the availability of new resources meeting the user's specified keywords and search parameters.

  8. SDI - Wikipedia

    en.wikipedia.org/wiki/SDI

    Samsung SDI, battery manufacturer; Scottish Development International; Scuba Diving International; SDI Media Group, providing subtitling and language services; SDI Presence, US IT consultancy; SDI Technologies, a consumer electronics manufacturer, New Jersey, U.S.A. Service Desk Institute, for computer help desk staff; Slum Dwellers International

  9. Slum Dwellers International - Wikipedia

    en.wikipedia.org/wiki/Slum_Dwellers_International

    Slum/Shack Dwellers International (SDI), is a global social movement of the urban poor that started in 1996. It forms a network of community-based organisations in more than 30 countries across Africa, Asia, Latin America and the Caribbean. [1] The SDI secretariat is located in Cape Town, South Africa. The current chairperson is Joseph Muturi.