SRI International, Menlo Park, California, is awarded an $11,312,731 cost-plus-fixed-fee contract for low frequency high power satellite calibration research and development. This contract contains options, which if exercised, will bring the contract value to a total of $63,482,059. The places of performance will be at the contractor’s facility located in Menlo Park, California (65 percent); and at the Bluestar Antenna Facility in Stanford, California (35 percent). Work is expected to be completed March 7, 2020. If all options are exercised, work will continue through March 2024. Fiscal 2019 Navy Working Capital funds in the amount of $50,000 will be obligated at the time of award, and no funds will expire at the end of the current fiscal year. This contract was procured using sole-source procedures under request for proposal N00173-18-R-WR07. The Naval Research Laboratory, Arlington, Virginia, is the contracting activity (N00173-19-C-6000).