The Department of the Navy Naval Air Systems Command Naval Air Warfare Center awarded a $57,668 firm fixed price purchase order to Spirent Federal Systems Inc. for GNSS simulator maintenance support. The contract period is from April 7, 2022 through April 30, 2023 and will provide 12 months of maintenance and software support for GNSS simulators at the Naval Air Warfare Center Weapons Division in China Lake, California. The original solicitation was sole sourced to Spirent Federal Systems as the only manufacturer able to provide maintenance and support for the existing simulator software. No subcontractors or set aside designations were identified. The Naval Air Warfare Center conducts research, development, test, and evaluation programs in support of naval aviation weapons systems and platforms.