Systems Planning and Analysis Inc., Alexandria, Virginia, is being awarded a cost-plus-fixed-fee contract modification (P00024) in the amount of $15,536,922 to a previously awarded contract (N00030-21-C-6019) to exercise fiscal 2024 options that provide support services for the Trident II Submarine Launched Ballistic Missile Strategic Weapons System. Work will be performed in Alexandria, Virginia (86%); and Washington, D.C. (14%). Work is expected to be completed Sept. 30, 2024. This action is awarded subject to the availability of funds. No funds will expire at the end of the current fiscal year. This contract was a sole source acquisition pursuant to 10 U.S. Code 2304(c)(1)(4). Strategic Systems Programs, Washington, D.C., is the contracting activity.