The Naval Air Warfare Center Weapons Division in China Lake, CA intends to sole source this requirement to Interoperable Systems Group (ISG) in Fort Worth, TX, as the sole supplier of the required software and its support. While not a request for quotes, any firm believing it can provide the entire service unit may submit a written response to the Contracting Office within 5 days of the notice's publication. All interested parties must proactively maintain an active registration in the System for Award Management (SAM). Contractors must also be certified through Defense Logistics Information Services (DLIS) to access Controlled Unclassified Information.