Collins Aerospace is a business segment of RTX providing aerospace defense products and aftermarket service solutions. It designs, manufactures, and supplies electric power generation, management and distribution systems, environmental control systems, flight control systems, air data and aircraft sensing systems, engine control systems, engine components, engine nacelle systems, interior and exterior aircraft lighting, aircraft cargo systems, evacuation systems, landing systems, etc. The company serves civil and military aircraft manufacturers, commercial airlines, and regional, business, and general aviation, as well as defense and commercial space operations. Collins Aerospace was formed as a result of a merger between Rockwell Collins and UTC Aerospace Systems.