The Department of Defense, specifically the Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility (PHNSY & IMF), is preparing to solicit a sole source firm fixed price contract for materials related to the repair and overhaul of Ship Service Turbine Generators (SSTGs) on two Virginia-class submarines. This procurement is aimed at acquiring essential materials from Northrop Grumman Systems Corporation/Northrop Grumman Marine Systems, which are critical for maintaining the operational readiness of these submarines. The pre-solicitation notice indicates that a solicitation will be posted on or about May 23, 2025, and interested parties can direct inquiries to Amber Yamane at amber.m.yamane.civ@us.navy.mil or Chaune Kuromoto at chaune.k.kuromotowong.civ@us.navy.mil. It is important to note that this notice is for informational purposes only and does not constitute a request for proposals.