Systems Engineering Associates Corp.,* Middletown, Rhode Island, is awarded a $14,616,549 indefinite-delivery/indefinite-quantity contract containing cost type provisions. This contract is for continued Small Business Innovation Research (SBIR) Phase III architecture development, software development, software integration and testing and software Capstone demonstration to further develop Payload Control System Technology and Combat Systems Acquisition Prototype Initiative Data Interface software to enable payload integration prototypes. Work will be performed in Newport, Rhode Island (60%); New London, Connecticut (19%); Middletown, Rhode Island (17%); and San Jose, California (4%).  The ordering period is expected to be completed in May 2026. Fiscal 2021 research, development, test and evaluation (Navy) funds in the amount of $212,225 will be obligated at time of award on the first task order and will not expire at the end of the current fiscal year. This contract is a SBIR Phase III contract related to SBIR Topic N95-053 and was not competitively procured on the website, in accordance with 10 U.S. Code 2304(b)(2), as implemented by Federal Acquisition Regulation 6.302-5, authorized or required by statute. The Naval Undersea Warfare Center Division, Newport, Newport, Rhode Island, is the contracting activity (N66604-21-D-E100).