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Inmarsat Government Headquarters:

11600 Sunrise Valley Drive
Suite 200
Reston, VA 20191
P: 1.703.621.6450
F: 1.703.435.1992

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  • Who We Are

    The future is not simply about technology. It’s about working hard to find the smartest new ways to keep you connected—reliably, securely and affordably—on land, at sea and in the air. And Inmarsat Government is leading the way.
  • Events

    Industry events allow us to learn what our customers, prospects and industry colleagues are thinking about and working on. We participate in many conferences and symposia each year. We look forward to meeting you at some of the following.
  • Press Releases

    Alphasat, the largest and most sophisticated European telecommunications satellite built and designated as Inmarsat-4A F4, was successfully launched July 25 on an Ariane 5 ECA launcher, from the Guiana Space Centre in Kourou, French Guiana. The satellite will be stationed on 25 degrees East, offering extended L-band spectrum and capacity throughout Europe, the Middle East and Africa.
  • News

    The work of Inmarsat Government is closely followed by the industry and general business press. Find recent and archived articles about our company, products, services and partnerships.