The Department of Defense, specifically the Naval Supply Center (NAVSUP) Fleet Logistics Center Norfolk, is seeking qualified sources to provide Analytical Operational Test and Evaluation Support Services for the Undersea Warfare Division 40. The procurement aims to identify contractors capable of delivering technical and analytical assistance in defining, conducting, and analyzing operational test and evaluation (OT&E) for various US Navy Undersea Warfare systems, including submarines, torpedoes, and unmanned underwater vehicles. This opportunity is critical for ensuring the effectiveness and reliability of undersea warfare capabilities, with work primarily performed at OPTEVFOR in Norfolk, VA, and potential travel requirements. Interested parties must submit their responses, including detailed qualifications and past performance information, to Amber Bradley at amber.v.bradley.civ@us.navy.mil by 10 AM ET on January 12, 2026. This announcement is a Sources Sought notice and not a solicitation for proposals.