The Naval Air Systems Command intends to award a sole-source modification to Raytheon for repairing nonfunctioning Weapons Replaceable Assemblies and performing configuration upgrades on APG-79 radar systems. Raytheon is the only source with the necessary technical data and expertise to meet the government’s requirements in a timely and cost-effective manner. Performance of services will occur at NAS Patuxent River, MD. No budget information was specified in the description. Responses to this sources sought notice are due by August 11, 2026.