Computational Physics Inc.,* Springfield, Virginia, is awarded a $67,391,437 firm-fixed-price, indefinite-delivery/indefinite-quantity contract to provide scientific support services in the fields of atomic and molecular physics, radio astronomy, aeronautical engineering, astrometry and photometry of celestial objects, black hole research, mechanical and electrical engineering, solid state physics, computational sciences, stellar astrophysics, optics, database development, mathematics, astronomical software development, and space weather in support of the United States Naval Observatory. The contract will include a five-year base ordering period with six-month ordering period option pursuant of Federal Acquisition Regulation 52.217-8 – option to extend services, which if exercised, will bring the total estimated value to $72,710,410. The base ordering period is anticipated to begin March 2024 and is expected to be completed by February 2029; if the option is exercised, the ordering period will be completed by August 2029. All work will be performed in Washington, D.C. Fiscal 2024 operations and maintenance (Navy) funds in the contract’s minimum amount of $10,000 will be obligated at time of award, and funds will expire at the end of the current fiscal year. Individual task orders will be funded with appropriate fiscal operations and maintenance appropriations, or other procurement (Navy) appropriations, determined by the contracting officer at the time of their issuance. The award was the result from a full and open competitive solicitation with one offer was received. Naval Supply Systems Command Fleet Logistics Center Norfolk, Contracting Department Norfolk Office, Norfolk, Virginia, is the contracting activity (N00189-24-D-0009).