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  2. RTX Corporation - Wikipedia

    en.wikipedia.org/wiki/RTX_Corporation

    RTX Corporation, formerly Raytheon Technologies Corporation, is an American multinational aerospace and defense conglomerate headquartered in Arlington, Virginia.It is one of the largest aerospace and defense manufacturers in the world by revenue and market capitalization, as well as one of the largest providers of intelligence services.

  3. Department of Defense Activity Address Code - Wikipedia

    en.wikipedia.org/wiki/Department_of_Defense...

    The Department of Defense Activity Address Code ( DoDAAC) is a six position code that uniquely identifies a Department of Defense unit, activity, or organization that has the authority to requisition, contract for, receive, have custody of, issue, or ship DoD assets, or fund/pay bills for materials and/or services.

  4. United States military aircraft serial numbers - Wikipedia

    en.wikipedia.org/wiki/United_States_military...

    AF Serial Number 06-6161, a C-17A Globemaster III. In the United States, all military aircraft display a serial number to identify individual aircraft. These numbers are located on the aircraft tail, so they are sometimes referred to unofficially as "tail numbers". On the Northrop Grumman B-2 Spirit bomber, lacking a tail, the number appears on ...

  5. Defense Switched Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Switched_Network

    The Defense Switched Network ( DSN) is a primary information transfer network for the Defense Information Systems Network (DISN) of the United States Department of Defense. The DSN provides the worldwide non-secure voice, secure voice, data, facsimile, and video teleconferencing services for DOD Command and Control (C2) elements, their ...

  6. Raytheon Missiles & Defense - Wikipedia

    en.wikipedia.org/wiki/Raytheon_Missiles_&_Defense

    www .raytheonmissilesanddefense .com. Raytheon Missiles & Defense ( RMD) was one of four business segments of RTX Corporation. Headquartered in Tucson, Arizona, its president was Wes Kremer. [1] The business produced a broad portfolio of advanced technologies, including air and missile defense systems, precision weapons, radars, and command and ...

  7. N11 code - Wikipedia

    en.wikipedia.org/wiki/N11_code

    N11 code. This U.S. road sign alerts highway users to the availability of 9-1-1 service. An N11 code (pronounced Enn-one-one) is a three-digit dialing code used in abbreviated dialing in the North American Numbering Plan (NANP). The mnemonic N stands for the digits 2 through 9 and thus the syntax stands for the codes 211, 311, 411, 511, 611 ...

  8. Wire signal - Wikipedia

    en.wikipedia.org/wiki/Wire_signal

    A wire signal is a brevity code used by telegraphers to save time and cost when sending long messages. The best-known code was the 92 Code adopted by Western Union in 1859. The code was designed to reduce bandwidth consumption over telegraph lines, thus speeding transmissions by utilizing a numerical code system for frequently used phrases. [1]

  9. Reverse telephone directory - Wikipedia

    en.wikipedia.org/wiki/Reverse_telephone_directory

    A reverse telephone directory (also known as a gray pages directory, criss-cross directory or reverse phone lookup) is a collection of telephone numbers and associated customer details. However, unlike a standard telephone directory, where the user uses customer's details (such as name and address) in order to retrieve the telephone number of ...

  10. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The International Mobile Equipment Identity ( IMEI) [1] is a numeric identifier, usually unique, [2] [3] for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering the MMI Supplementary Service code *#06 ...

  11. Telephone numbers in Africa - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Africa

    List of country calling codes; List of international call prefixes; Category:Telephone numbers by country; References. International Telecommunication Union (2011-11-01). "List of ITU-T Recommendation E.164 assigned country codes" (PDF). Archived (PDF) from the original on 2012-01-31.