Sources Sought DEPT OF DEFENSE DEPT OF THE NAVY is seeking repair and maintenance services for the #1 and #2 Ship Service Turbine Generators (SSTGs) Shipboard at Portsmouth Naval Shipyard GF. Northrop Grumman Marine Systems (NGMS) is the Original Equipment Manufacturer (OEM) and the sole responsible source for this requirement. The solicitation will be available on or around 1/09/2024. Justification and Approval for sole source will be posted.