Professional Contract Services Inc., Austin, Texas, is awarded $38,572,161 for an indefinite-delivery/indefinite-quantity modification to a previously awarded contract (N40085-20-D-0040). This modification provides for the exercise of Option Year Four for base operating support services at Naval Medical Center Portsmouth, and its outlying support sites. After award of this option, the total cumulative contract value will be $173,313,651. Work will be performed in Portsmouth, Virginia. This option period is from April 1, 2024, to March 31, 2025. No funds will be obligated at time of award. Fiscal 2024 operation and maintenance, (Navy) funds in the amount of $36,061,951 for recurring work will be obligated on individual task orders issued during the option period. The Naval Facilities Engineering Systems Command, Mid-Atlantic, Norfolk, Virginia, is the contracting activity.