The Charles Stark Draper Laboratory, Cambridge, Massachusetts, is awarded a $95,149,250 cost-plus-fixed-fee, level-of-effort modification to a previously awarded contract (N0003022C6002). This modification exercises fiscal 2023 options to provide technical and engineering services necessary to maintain and sustain the Trident II Strategic Weapon System MK 6 Guidance subsystem. The effort also includes a requirement for strategic guidance, navigation, and control subject matter expertise and resources to plan and implement an advanced development program that explores and evaluates current and maturing concepts and technologies that will enable follow-on, full-scale development of the second life extension of the Navy’s Trident II Strategic Weapons Systems. Work will be performed in Cambridge, Massachusetts (81%); and El Segundo, California (19%), and is expected to be completed Sept. 30, 2024. Fiscal 2022 research and development, test, and evaluation (Navy) funds in the amount of $1,443,834; fiscal 2023 research and development, test, and evaluation (Navy) funds in the amount of $16,680,528; fiscal 2023 weapons procurement (Navy) funds in the amount of $18,868,000; and fiscal 2023 operations and maintenance (Navy) funds in the amount of $100,000 will be obligated at time of award. Funds in the amount of $1,543,834 will expire at the end of the current fiscal year. This contract was awarded as a sole-source acquisition pursuant to 10 U.S. Code 2304(c)(1). Strategic Systems Programs, Washington, D.C., is the contracting activity.