Systems Planning and Analysis Inc., Alexandria, Virginia, is being awarded a $7,556,155.98 modification, P00036, to a previously awarded and announced contract, N00030-21-C-6019, to exercise fiscal 2025 options to provide support services for the Trident II Submarine Launched Ballistic Missile Strategic Weapons System. Tasks to be performed include technical services, program support, assessments, and special studies and systems engineering. Work will be performed in Alexandria, Virginia (86%); and at the Strategic Systems Programs (SSP) Headquarters, Washington Navy Yard, Washington, D.C. (14%). Work is expected to be completed Sept. 30, 2025. Fiscal 2025 research, development, test, and evaluation funds in the amount of $1,033,511; and fiscal 2025 weapons procurement, Navy funds in the amount of $2,564,271, will be obligated on this award. Remaining amounts will be incrementally funded, subject to the availability of funds. No funds will expire at the end of the current fiscal year. This contract was awarded as a sole source acquisition with the authority of 10 U.S. Code 3204(a)(1). SSP, Washington, D.C., is the contracting activity.