Transportation Corps Warrant Officers operating as Marine Engineering Officers are responsible for the efficient and economical operation of the engine room machinery, auxiliary machinery, and specific deck equipment aboard Army Watercraft System (AWS) vessels. 881As supervise and perform the installation and repair of marine power plants, propulsion systems, heating and ventilation systems, and other mechanical plumbing and electrical equipment aboard AWS vessels and Army maritime facilities. Marine Engineering Officers inspect ships and machinery to determine compliance with maintenance standards and/or to determine extent and nature of repairs required. 881As implement the Army Maintenance Management System (TAMMS) as it applies to Marine material and manages onboard vessels repair parts supply. Transportation Corps Marine Engineering Warrant Officers are a vital asset to keeping the Army’s Watercraft Systems ready for contingencies around the world.