Northrop Grumman Corporation's Sperry Marine business unit won contracts to supply the U.S. Navy with steering systems for three new USS Arleigh Burke DDG 51-class guided missile destroyers
. Northrop Grumman Ship Systems issued one contract, for DDG 107. Bath Iron Works
, a wholly owned subsidiary of General Dynamics
contracts for vessels DDG 108 and 109. The three contracts have a combined value of $12.5 million.