The Naval Surface Warfare Center, Port Hueneme Division intends to sole-source a follow-on contract to AdvantEdge Technologies Inc. for highly specialized engineering and technical support of the Self Defense Test Ship (SDTS) and Test Ship Remote Control System. The work supports operation, maintenance, repair, and unmanned at-sea testing for high-risk live-fire Test and Evaluation events for DoD and DoN engineering and combat systems. The anticipated period of performance is three years, comprising a base year and two option years, covering the current SDTS platform’s end-of-life phase. The applicable NAICS code is 541330 (Engineering Services) with a $47.0 million size standard. Although this is not a request for competitive proposals, responsible sources may submit capability statements for government consideration.