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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. 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).

  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. Service number (United States Marine Corps) - Wikipedia

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

    Marine enlisted service number 1,000,000 was issued in 1944 and the cap of 1,700,000 was reached nine years later. Service numbers 1,700,000 to 1,799,999 were set aside for female enlisted personnel of the 1960s and 1970s while 1,800,000 to 2,000,000 was used by male enlistees. In 1965, with male service numbers running out due to a rise of ...

  6. Service number - Wikipedia

    en.wikipedia.org/wiki/Service_number

    A service number or roll number is an identification code used to identify a person within a large group. Service numbers are most often associated with the military; however, they also may be used in civilian organizations. National identification numbers may be seen as types of service numbers. The term "serial number" is often seen as a ...

  7. Short Range Certificate - Wikipedia

    en.wikipedia.org/wiki/Short_Range_Certificate

    Short Range Certificate. The Short Range Certificate is an internationally valid certificate issued to marine radio station operators. It entitles the holder to participate in marine communications on leisure crafts using Marine VHF radio and DSC (Digital Selective Calling), while in the GMDSS A1 sea areas.

  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. 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]