The Naval Air Warfare Center Weapons Division in China Lake, CA intends to sole source a software subscription and support renewal to Interoperable Systems Group (ISG) in Fort Worth, TX. Any firm believing it can fulfill this requirement may submit a written capability statement for consideration within 5 days of the notice's publication. Respondents must be actively registered in the System for Award Management (SAM), which now requires a notarized letter for registration or renewal.