SUB UPGRADE: The team of Lockheed Martin and Granite State Manufacturing will design and build an upgraded Multifunction Mast Antenna System for improved submarine communications under a $6.9 million U.S. Navy contract. Like many other projects in the defense community, the mast-mounted OE-538 system is to allow the use of many disparate systems to improve communications and the gathering of navigation information. The MMAS will offer improved UHF, Link-16, Iridium and Mobile User Objective ...


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