DZSP 21 LLC, Marlton, New Jersey, is awarded $106,304,464 for cost-plus-award-fee modification to previously awarded contract (N40192-23-C-5300). This modification provides for the exercise of Option Period Four for base operating support services in Joint Region Marianas. Work will be performed in Guam and is expected to be completed by July 2025. This award brings the cumulative face value of the contract to $739,540,953. Fiscal 2024 operation and maintenance (O&M) (Navy), fiscal 2024 O&M (Marine Corps), and fiscal 2024 O&M (Defense) funds, in the amount of $53,376,014 will be obligated at time of award, and funds will expire at the end of the current fiscal year. Naval Facilities Engineering Systems Command, Marianas, Guam, is the contracting activity.