PTC Inc., Boston, Massachusetts, is awarded an $8,163,409 firm-fixed-price modification to previously awarded contract N00024-20-C-6121 to exercise options in support of model-based production support. Work will be performed in Boston, Massachusetts, and is expected to be completed by June 2025. Fiscal 2023 shipbuilding and conversion (Navy) funds in the amount of $8,080,000 (97%); and fiscal 2023 operations and maintenance (Navy) funds in the amount of $83,409 (3%) will be obligated at the time of award, of which, $83,409 will expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington Navy Yard, Washington, D.C., is the contracting activity.