Kratos' RT Logic Delivers 60th IP-Routing Iridium(R) Modem

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SAN DIEGO, March 5, 2014 (GLOBE NEWSWIRE) -- Kratos Defense & Security Solutions, Inc. (Nasdaq:KTOS), a leading National Security Solutions provider, announced today that its RT Logic subsidiary has recently delivered its sixtieth T400SDM Software-Defined Modem to Iridium Communications Inc. The T400SDM bridges the public Internet to the Iridium constellation of networked Low Earth Orbit (LEO) satellites.

The Iridium satellite constellation enables global mobile voice and data communications. A network of ground teleports around the world controls the satellites and provides the interface to the terrestrial Internet. Users and data sources in remote locations without terrestrial Internet connectivity communicate directly with an overhead Iridium satellite, and the constellation automatically routes data packets to the teleport closest to the data or voice-call destination. At each teleport, the RT Logic T400SDM provides both the gateway interface to the IP-based terrestrial Internet and the RF signal processing uplink and downlink to the satellite constellation.

For the uplink, the T400SDM encapsulates user IP packets and satellite constellation commands and transmits both to the Iridium satellite currently overhead. On the downlink, the T400SDM unpacks satellite telemetry and user IP Packets, routing each to the appropriate destination. The T400SDM has been designed both to support the existing constellation of 66 LEO satellites as well as the higher data rates and MPLS connectivity required for the Iridium NEXT constellation, which will comprise 66 new satellites.

"We are proud to have been the provider of choice to Iridium for this critical element of the Iridium network infrastructure," commented Matt Langenbahn, Modem Business Manager at RT Logic. "The Iridium project has successfully demonstrated the flexibility of our core modem technology, which currently supports the Block 1 constellation and is ready to support the enhanced capabilities of the Iridium NEXT constellation."

RT Logic, a Kratos company, is a leading provider of innovative products for ground stations, satellite test equipment and satellite operations, with solutions used in over 80% of America's space missions. For more information, visit

About Kratos Defense & Security Solutions

Kratos Defense & Security Solutions, Inc. (Nasdaq:KTOS) is a specialized National Security technology Company providing mission critical products, services and solutions for United States National Security. Kratos' core capabilities are sophisticated engineering, manufacturing and system integration offerings for National Security platforms and programs. Kratos' areas of expertise include Command, Control, Communications, Computing, Combat Systems, Intelligence, Surveillance and Reconnaissance (C5ISR), satellite communication systems, electronic warfare, unmanned systems, missile defense, cyber warfare, cybersecurity, information assurance, and critical infrastructure security. Kratos has primarily an engineering and technically oriented work force of approximately 3,850. The vast majority of Kratos' work is performed on a military base, in a secure facility or at a critical infrastructure location. Kratos' primary end customers are National Security related agencies. News and information are available at

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Source:Kratos Defense & Security Solutions, Inc.