XSITE LLC, San Diego, California, was awarded a $23,552,136, cost-plus-fixed-fee contract for operation and sustainment of the Modeling and Simulation Software Analysis Tool. This contract provides for supportability assessments of communications services to combatant command operations plans for the Mobile User Objective System. Work will be performed at and around Peterson Space Force Base, Colorado, and is expected to be completed by June 30, 2029. This contract was a sole source acquisition. Fiscal 2024 operation and maintenance funds in the amount of $1,682,523 are being obligated at the time of award. Space Systems Command, Peterson SFB, Colorado, is the contracting activity (FA8823-24-C-B001).