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  2. Service number (United States Armed Forces) - Wikipedia

    en.wikipedia.org/wiki/Service_number_(United...

    The entire range of United States service numbers extends from 1 to 99,999,999 with the United States Army and Air Force the only services to use numbers higher than ten million. A special range of numbers from one to seven thousand (1–7000) was also used by the United States Air Force Academy for assignment only to cadets and was not ...

  3. Digital selective calling - Wikipedia

    en.wikipedia.org/wiki/Digital_Selective_Calling

    Digital selective calling. Digital selective calling ( DSC) is a standard for transmitting predefined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems. It is a core part of the Global Maritime Distress Safety System (GMDSS). [1]

  4. Service number (United States Navy) - Wikipedia

    en.wikipedia.org/wiki/Service_number_(United...

    The new Navy officer numbers now extended to a cap of 800,000; service numbers had reached #670,900 by the year 1963. In 1971, with the service number cap of 800,000 nearly reached, the Navy extended officers numbers one final time to 999,999 which the Navy felt would cover all future officers to the end of the 20th century.

  5. Doctor of Science - Wikipedia

    en.wikipedia.org/wiki/Doctor_of_Science

    A Doctor of Science (Latin: Scientiae Doctor; most commonly abbreviated DSc or ScD) is a science doctorate awarded in a number of countries throughout the world.In some countries, a Doctor of Science is the degree used for the standard doctorate in the sciences; elsewhere a Doctor of Science is a "higher doctorate" awarded in recognition of a substantial and sustained contribution to ...

  6. Service number (United States Army) - Wikipedia

    en.wikipedia.org/wiki/Service_number_(United...

    For instance, an officer with the service number O-2 345 678 would have the number written in military records as 02 345 678. The Discharge Certificate of Burt Lancaster showing his thirty million series draft service number with a geographical code of 32 (entrance from New York).

  7. Distinguished Service Cross (United States) - Wikipedia

    en.wikipedia.org/wiki/Distinguished_Service...

    A number of DSC revocations and upgrades to the Medal of Honor were the result of reviews initiated by the Army or mandated by the United States Congress. In the early 1990s the Army began a review of discrimination against black soldiers in World War II, none of whom had received the Medal of Honor but several of whom had received lesser awards.

  8. Maritime identification digits - Wikipedia

    en.wikipedia.org/wiki/Maritime_identification_digits

    Maritime identification digits are used by radio communication facilities to identify their home country or base area in digital selective calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic identification system (AIS) messages as part of their Maritime Mobile Service Identities. The International Telecommunication ...

  9. Defense Satellite Communications System - Wikipedia

    en.wikipedia.org/wiki/Defense_Satellite...

    Illustration of the DSCS III satellite. The Defense Satellite Communications System ( DSCS) [1] is a United States Space Force satellite constellation that provides the United States with military communications to support globally distributed military users. Beginning in 2007, DSCS began being replaced by the Wideband Global SATCOM system.