Lockheed Martin Corp., Sunnyvale, California, is awarded a cost-plus-fixed-fee $28,592,362 for modification P00009 under a previously awarded contract (N00030-17-C-0017) to exercise options for engineering efforts to support the integration of the TRIDENT II (D5) Missile and Reentry Subsystems into the Common Missile Compartment for the Columbia Class and United Kingdom Dreadnought programs. The work will be performed in Sunnyvale, California (48.51 percent); Cape Canaveral, Florida (43.24 percent); New London, Connecticut (2.28 percent); Anaheim, California (2.05 percent); Lancaster, Pennsylvania (1 percent); and various places below one percent (2.92 percent); and work is expected to be completed by March 31, 2021. Fiscal 2019 research, development, test and evaluation (Navy) funds in the amount of $5,845,800; and fiscal 2019 United Kingdom funds in the amount of $5,842,864, will be obligated on this award, none of which will expire at the end of the current fiscal year. Strategic Systems Programs, Washington, District of Columbia, is the contracting activity.