Lockheed Martin (NYSE: LMT) has secured a six-year, $128.7M contract to provide integration support for integrate subsystems into the common missile compartment of U.S. and U.K. nuclear-powered submarines under construction.

The company will add Trident II missile and reentry components to CMC assemblies for the U.S. Navy’s Columbia-class and the British navy’s Dreadnought-class underwater vessels, the Department of Defense said Monday.

Work will be performed in Cape Canaveral, Florida (37.02%); Denver, Colorado (24.22%); Sunnyvale, California (15.62%); Magna, Utah (13.72%); Titusville, Florida (1.69%); Oak Ridge, Tennessee (1.06%); and other various locations of less than 1.0% each (6.67% total). Work is expected to be completed Feb. 28, 2027.

DOD noted that nearly $114.1 million of the $120.9 million initial obligations will come from the U.S. Navy’s fiscal 2021 shipbuilding and conversion funds and the remaining $6.8 million will come from foreign funds.

The Strategic Systems Programs in Washington, D.C., is the contracting activity.