COLSA Corp., Huntsville, Alabama, is awarded an $11,015,578 modification to a previously awarded indefinite-delivery/indefinite-quantity, cost-plus-fixed-fee, single award contract (N66001-21-D-3428) for engineering services supporting development, maintenance, interoperability and operations of the data link tactical tool, gateway systems, and mini-rack systems. Work will be performed at government facilities in San Diego, California (90%); and at the contractor’s facilities in Huntsville, Alabama (10%). The period of performance is from May 2024 to May 2025. No funds will be obligated at the time of award. Funds will be obligated as task orders are issued using research, development, test and evaluation (Navy) funds; operations and maintenance (Navy) funds; other procurement (Navy) funds; shipbuilding construction (Navy) funds; and Navy working capital funds. Naval Information Warfare Center Pacific, San Diego, California, is the contracting activity.