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TMCNet:  ILS Proton Successfully Launches Inmarsat-5 F1

[December 09, 2013]

ILS Proton Successfully Launches Inmarsat-5 F1

BAIKONUR COSMODROME, Kazakhstan --(Business Wire)--

An International Launch Services (News - Alert) (ILS) Proton Breeze M successfully placed the Inmarsat-5 F1 (I-5 F1) satellite into a super-synchronous (geo-stationary) transfer orbit (SSTO) today. The spacecraft was launched for Inmarsat (News - Alert), the leading provider of global mobile satellite communications services. I-5 F1 is the first of three Inmarsat next-generation Global Xpress® satellites scheduled to launch before the end of 2014. This marks the seventh launch of the year and the third SSTO mission for ILS, a leader in providing mission integration and launch services to the global commercial satellite industry.

ILS Proton successfully launched the Inmarsat-5 F1 satellite into supersynchronous transfer orbit fr ...

ILS Proton successfully launched the Inmarsat-5 F1 satellite into supersynchronous transfer orbit from the Baikonur Cosmodrome in Kazakhstan on December 9, 2013. (Photo: Business Wire)

The Proton launch vehicle, carrying the I-5 F1 satellite, lifted off from Pad 39 at the Baikonur Cosmodrome yesterday at 18:12 local time (12:12 GMT and 07:12 EST). The SSTO mission utilized a 5-burn Breeze M mission design to advance the orbital unit first to a circular parking orbit, then to an intermediate orbit, followed by a transfer orbit, and finally to a 65,000 km-apogee super-synchronous transfer orbit. After a 15-hour, 31-minute mission, the satellite was placed into the target orbit by the Proton launcher. SSTO missions provide increased heavy-lift performance over GTO mission designs, allowing our customers the capability to maximize spacecraft operational lifetime.

The satellite was manufactured by Boeing (News - Alert) Satellite Systems International, Inc. and built on the flight proven 702HP platform. Weighing over 6 metric tons at lift-off, the I-5 F1 satellite has 89 Ka-band fixed beams and 6 steerable ones. I-5 F1 is designed to generate approximately 15 kilowatts of power at the start of service and approximately 13.8 kilowatts at the end of its 15-year design life. To generate such high power, the spacecraft's two solar wings employ five panels of ultra-triple-junction solar cells.

Global Xpress will be the first globally available high-speed broadband Ka-band network. It will ffer the unique combination of global coverage from a single operator, consistent higher performance of up to 50Mbps, and the network reliability for which Inmarsat is renowned. Based on Ka-band technology, Global Xpress will consistently deliver higher performance through more compact terminals at a lower cost than existing VSAT services, making it accessible to many more users.


ILS President Phil Slack stated, "We are honored to share this momentous occasion with Inmarsat, true innovators in the satellite communications industry, with the first ILS Proton launch of three in the Global Xpress constellation. Today's ILS Proton launch builds on a strong relationship between Inmarsat and ILS dating back to 2008 with the launch of an Inmarsat-4 satellite. We thank the teams who worked tirelessly on the successful launch of I-5 F1 and look forward to our upcoming missions with Inmarsat."

"Global Xpress is the result of three years of planning and, together with a fourth Inmarsat-5 satellite we ordered recently from Boeing, represents an investment of US$1.6 billion in our next generation of high bandwidth, high capacity, mobile broadband communications satellites," said Rupert Pearce, CEO, Inmarsat. "Our Global Xpress constellation, which is on schedule to achieve full global coverage by the end of 2014, will ensure our satellite services fully support the current and future needs of our end-users across the world - whether on land, at sea or in the air. I wish to thank the teams at Inmarsat and Boeing for their hard work and ingenuity in bringing this highly innovative programme to fruition. We also thank our experienced partners at ILS and Khrunichev for their dedication and assurance in ensuring this mission was successful. We look forward to our future ILS Proton launches next year."

The I-5 F1 launch also marked the 392nd launch for Proton since its maiden flight in 1965 and the 84th ILS Proton Launch overall. This was also the 16th Boeing-built satellite launched on an ILS Proton and the 3rd Inmarsat satellite launched on Proton overall. The Proton M Breeze M vehicle is developed and built by Khrunichev Research and Production Space Center of Moscow, Russia's premier space industry manufacturer and majority shareholder in ILS.

About ILS and Khrunichev

ILS is a world leader in providing launch services for global satellite operators and offers a complete array of services and support, from contract signing through mission management and on-orbit delivery. ILS has exclusive rights to market the Proton vehicle to commercial satellite operators worldwide and is a U.S. company headquartered in Reston, VA., near Washington, D.C. For more information, visit www.ilslaunch.com.

Khrunichev, which holds the majority interest in ILS, is one of the cornerstones of the Russian space industry. Khrunichev manufactures the Proton system and is developing the Angara launch system. The Proton launches from facilities at the Baikonur Cosmodrome in Kazakhstan, and has a heritage of more than 390 missions since 1965. Khrunichev includes, among its branches, a number of key manufacturers of launch vehicle and spacecraft components in Moscow and in other cities of the Russian Federation. For more information, visit www.khrunichev.com.

About Inmarsat

Inmarsat plc is the leading provider of global mobile satellite communications services. Since 1979, Inmarsat has been providing reliable voice and high-speed data communications to governments, enterprises and other organizations, with a range of services that can be used on land, at sea or in the air. Inmarsat employs around 1,600 staff in more than 60 locations around the world, with a presence in the major ports and centres of commerce on every continent. Inmarsat is listed on the London Stock Exchange (LSE:ISAT.L). For more information, please visit www.inmarsat.com.


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