Main Propulsion, Integrated Bridge and Navigational systems, Combat systems, Gas turbine, Diesel Generators, C4ISR systems, Damage Control/Fire Fighting/Personnel Protection systems, Integrated Condition Assessment System (ICAS) Power generation and distribution, Steam generation, Boiler controls, Pumps, Valves and Piping, Heating Ventilation and Air Conditioning (HVAC) Heat Exchanges Distillers, Condensers, Evaporators, and Distilling systems.