BAE Systems Technology Solutions & Services Inc., Rockville, Maryland, was awarded a $122,855,398 cost-plus-fixed-fee contract (N00030-25-C-6304) for systems engineering and integration support services and special studies in support of the U.S. Trident II (D5) Strategic Weapon System Program and D5 Life Extension 2 Strategic Systems Programs Alteration. Tasks to be performed include systems engineering and integration, test engineering, data analysis, and safety engineering. Work will be performed in Rockville, Maryland (85.1%); Washington, D.C. (8.7%); League City, Texas (1.7%); and various other locations (less than 1% each, 4.5% total). Work is expected to be completed Sept. 30, 2027. Fiscal 2025 research, development, test and evaluation (Navy) funds in the amount of $1,300,000 and fiscal 2025 weapons procurement (Navy) funds in the amount of $18,253,629 will be obligated at the time of award. No funds will expire at the end of the current fiscal year. This contract is a sole source acquisition pursuant to 10 U.S. Code 2304(c)(1)(4). Strategic Systems Programs, Washington, D.C., is the contracting activity.