The Aerospace division, a part of Hamilton Sundstrand, provides a range of systems, components and services for commercial and military aircraft and vehicles. It operates Aerospace Power Systems, Flight Systems, and Engine & Control business units. The division offers a variety of engine control systems, gearboxes, auxiliary power units, fuel and special fluid pumps, and electric power generating, distribution, management and control systems. The Aerospace division also provides torpedo propulsion, propeller, actuation, air turbine emergency, and flight and environmental control systems. It offers supply chain management and systems integration services. Hamilton Sundstrand is a global corporation with various business units that design, manufacture and support aerospace and industrial products for worldwide markets.