United States, Sept. 4 -- Northrop Grumman Systems Corp.-Marine Systems, Sunnyvale, California, is awarded a $111,354,038 firm-fixed-price and cost-only, indefinite-delivery/indefinite-quantity contract for the ship service turbine generator maintenance, overhaul, repair, and long-lead time material in support of the in-service Virginia class nuclear-powered attack submarine fleet. This contract includes options which, if exercised, would bring the cumulative value to $253,293,127.Work will be performed in Sunnyvale, California (40%); Norfolk, Virginia (15%); Kittery, Maine (15%); Bremerton, Washington (15%); and Pearl Harbor, Hawaii (15%), and is expected to be completed by August 2031. If all options are exercised, work will continue thro...