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  2. Semi-Automatic Ground Environment - Wikipedia

    en.wikipedia.org/wiki/Semi-Automatic_Ground...

    SAGE Geographic Reorganization: The SAGE Geographic Reorganization Plan of July 25, 1958, by NORAD was "to provide a means for the orderly transition and phasing from the manual to the SAGE system."

  3. Southwest Air Defense Sector - Wikipedia

    en.wikipedia.org/wiki/Southwest_Air_Defense_Sector

    The Los Angeles Air Defense Sector (SAGE) (LAADS) was designated by Air Defense Command in February 1959 while NORAD's July 25, 1958, SAGE Geographic Reorganization Plan was being implemented. [1]

  4. List of English-language 20th-century general encyclopedias

    en.wikipedia.org/wiki/List_of_English-language...

    Anglo-American Encyclopedia and Dictionary (1902) - an unauthorized reprint of portions of the Encyclopedia Britannica with an unrelated dictionary attached. (Link includes vols. 2-4, 6-9, 11-12) New American Comprehensive Encyclopedia (1906) (Link includes vols. 1, 3 and 4) Century Book of Facts (1902) a quasi-annual one volume work

  5. Strategic geography - Wikipedia

    en.wikipedia.org/wiki/Strategic_geography

    Strategic geography is concerned with the control of, or access to, spatial areas that affect the security and prosperity of nations. Spatial areas that concern strategic geography change with human needs and development. This field is a subset of human geography, itself a subset of the more general study of geography.

  6. Geographic information retrieval - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information...

    The study of GIR systems has a rich history dating back to the 1970s and possibly earlier. See Ray Larson’s book Geographic information retrieval and spatial browsing [20] for references to much of the pre-Web literature on GIR. In 2005 the Cross-Language Evaluation Forum added a geographic track, GeoCLEF.

  7. Comparison of English dictionaries - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_English...

    This is a comparison of English dictionaries, which are dictionaries about the language of English.The dictionaries listed here are categorized into "full-size" dictionaries (which extensively cover the language, and are targeted to native speakers), "collegiate" (which are smaller, and often contain other biographical or geographical information useful to college students), and "learner's ...

  8. Ron Johnston (geographer) - Wikipedia

    en.wikipedia.org/wiki/Ron_Johnston_(geographer)

    Ron Johnston at the 1999 International Geography Festival. Ronald John Johnston, OBE, FAcSS, FBA (March 30, 1941 – May 29, 2020) was a British geographer, known for elaborating his discipline's foundations, particularly its history and nature, and for his contributions to urban social geography and electoral geography.

  9. Area of responsibility - Wikipedia

    en.wikipedia.org/wiki/Area_of_responsibility

    Area of responsibility (AOR) is a pre-defined geographic region assigned to Combatant commanders of the Unified Command Plan (UCP), that are used to define an area with specific geographic boundaries where they have the authority to plan and conduct operations; for which a force, or component commander bears a certain responsibility.