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  2. Defense Satellite Communications System - Wikipedia

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

    Since the first launch, DSCS has been the "workhorse" of military satellite communications. All DSCS III satellites have exceeded their 10-year design life. The National Science Foundation use the DSCS satellites to provide additional bandwidth to Amundsen–Scott South Pole Station and McMurdo Station on Ross Island on the continent of ...

  3. List of USA satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_USA_satellites

    Reimbursement for USA-193, Military Satellite. The so-called "Radar Imaging", which had a serious flaw and was the US Army, shot down. Destroyed: 21 Feb 2008. USA-277: 2017-09-07 Technology Falcon 9 Full Thrust: Boeing X-37B OTV-5: Active USA-278: 2017-09-24 2017-056A ELINT Atlas V 541 NROL-42 Active USA-279: 2017-10-15 2017-066A Communications

  4. Wideband Global SATCOM - Wikipedia

    en.wikipedia.org/wiki/Wideband_Global_SATCOM

    Illustration of the WGS satellites in its two configurations, known as Block I (left) and Block II (right) The Wideband Global SATCOM system (WGS) is a high capacity United States Space Force satellite communications system planned for use in partnership by the United States Department of Defense (DoD), Canadian Department of National Defence (DND) and the Australian Department of Defence. [1]

  5. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    In 1964, the United States Army orbited its first Sequential Collation of Range satellite used for geodetic surveying. [32] The SECOR system included three ground-based transmitters at known locations that would send signals to the satellite transponder in orbit.

  6. Mobile User Objective System - Wikipedia

    en.wikipedia.org/wiki/Mobile_User_Objective_System

    The Mobile User Objective System (MUOS) is a United States Space Force narrowband military communications satellite system that supports a worldwide, multi-service population of users in the ultra high frequency (UHF) band. The system provides increased communications capabilities to newer, smaller terminals while still supporting ...

  7. Military satellite - Wikipedia

    en.wikipedia.org/wiki/Military_satellite

    The first military use of satellites was for reconnaissance. In the United States the first formal military satellite programs, Weapon System 117L, was developed in the mid-1950s. [2] Within this program a number of sub-programs were developed including Corona. [2] Satellites within the Corona program carried different code names.

  8. UHF Follow-On satellite - Wikipedia

    en.wikipedia.org/wiki/UHF_follow-on_satellite

    Ultra High Frequency Follow-On (UFO) satellite system is a United States Department of Defense (DoD) program sponsored and operated by the United States Space Force to provide communications for airborne, ship, submarine and ground forces.

  9. Military Satellite Communications Directorate - Wikipedia

    en.wikipedia.org/wiki/Military_Satellite...

    The Military Satellite Communications Directorate is a United States Space Force organization headquartered at Los Angeles Air Force Base, California. It is one of several wings and other units that make up the Space and Missile Systems Center (SMC).