The Department of Defense, through the Naval Surface Warfare Center (NSWC) Crane Division, is seeking information from SeaPort-NxG MAC holders regarding Professional Support Services for the Program Executive Office Unmanned and Small Combatants (PEO USC) Littoral Combat Ship Mission Modules (PMS 420) and Mine Warfare (PMS 495). The procurement aims to gather capabilities for various task areas, including program management, technical and system engineering support, logistics, and mission module operations, to enhance the existing personnel and processes within the program offices. This sources sought notice is intended for market research purposes and to assess the potential participation of small businesses, with a total estimated labor requirement of 1,531,405 hours, categorized into junior, mid, and senior labor levels. Interested parties must submit their capability statements electronically by December 30, 2025, to the designated contacts, Logan Kelley and Jonathan Dickinson, with specific formatting and content requirements outlined in the notice.