This purchase order from the Department of the Navy's Military Sealift Command awards Rolls-Royce Solutions America Inc. $685,990.36 to provide 1000/2000/6000 hour maintenance services for four Main Propulsion Diesel Engines aboard the United States Naval Ship Carson City. The original solicitation sought these original equipment manufacturer support services, including inspections, adjustments, replacements, operational tests and a service representative for a sea trial, to be performed at a shipyard in Croatia between March and August 2020. There is no designated set-aside for this requirement issued under North American Industry Classification System code 811310 for Repair and Maintenance of Machinery and Equipment and Federal Supply Classification code J019 for Ship Repair and Related Services.