BAE Systems upgrading more naval guns Arlington, Va. (UPI) Sep 28, 2016 - BAE Systems is to upgrade additional MK 45 naval gun systems for the U.S. Navy under the service's exercise of a contract option. Under the $50 million option, four Mk 45s on guided missile destroyers will be converted to a fully-digital Mod 4 configuration. The option, exercised under an initial 2015 award, brings the full value of the contract to $130 million for a total of 10 ... more

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