The Naval Air Systems Command (NAVAIR) plans to award a sole source contract to Sikorsky Aircraft Corporation (SAC) in Stratford, CT, to upgrade multiple test labs and computer systems for the CH-53K weapon system to a production-representative configuration. The work includes hardware procurement and installation, software updates, documentation updates, and validation testing. SAC is the only known source with the necessary knowledge, technical data, and facilities to meet the government's requirements within required timeframes. No specific budget amount or submission timeline is mentioned in the description. Performance of services will occur at SAC's location in Stratford, Connecticut.