The Naval Surface Warfare Center, Philadelphia Division is seeking information on lifecycle, modernization, and in-service support for Rolls-Royce Marine Gas Turbine Engines and related shipboard auxiliary systems used by the U.S. Navy. Responses must be submitted electronically by 06:00 PM EST on 09 July 2026. This is a Request for Information for market research purposes only, not a solicitation for proposals. No budget amounts are specified. Performance of services would be in support of U.S. Navy applications, though a specific location is not provided.