The Commander, Military Sealift Command is conducting market research for a single Multiple Award IDIQ contract to provide comprehensive vessel operations and maintenance for the Government-Owned, Contractor-Operated fleet. The contract will have a 10-year ordering period. The contractor must provide all personnel, management, operational and technical support, equipment, tools, and supplies to operate and maintain assigned vessels to MSC standards. This includes manning vessels with qualified U.S. Contract Mariners and ensuring compliance with USCG and ABS rules. No specific budget amounts or performance location are mentioned.