Jacobs Technology Inc., Tullahoma, Tennessee, is awarded a $30,633,270 firm-fixed-price, indefinite-delivery/indefinite-quantity modification to previously awarded contract N69450-18-D-1800 for base operations support services at Naval Station Mayport, Florida; Marine Corps Support Facility Blount Island, Florida; and outlying areas. This award brings the total cumulative value of the contract to $148,056,194. Work will be performed in Jacksonville, Florida, and is expected to be completed by December 2023. No funds will be obligated at time of award. Fiscal 2023 operation and maintenance (Navy) funds; fiscal 2023 operation and maintenance (Marine Corps) funds; and fiscal 2023 working capital (Navy) funds for recurring work will be obligated on individual task orders issued during the option period. The Naval Facilities Engineering Systems Command Southeast, Jacksonville, Florida, is the contracting activity.