p rovides power transmission systems and flight-critical components for civil and military  aircraft. Our product portfolio includes helicopter  transmissions and rotor-head assemblies, bearings, turbine engine components, gears and housings. We focus on the entire lifecycle of aircraft. In addition to original equipment, we provide a  wide range of aftermarket products and services for  global customers, including complete engine overhaul,  bearing repair, component reconditioning and  replacement parts. Our precision bearings also have applications in spacecraft and robotic vehicles, like Curiosity, the newest Mars rover. Customers for these precision bearings also include manufacturers of medical and health  equipment, machine tools, industrial motion  control systems and precision robotics. Our products are integrated into: s erves customers worldwide by producing custom alloy steels that are recognized as the  highest quality, highest performing air-melted  products in the world. The Steel Segment  produces carbon, micro-alloy and alloy steels in  the form of specialty bar, seamless tubing, value- add components, billets and bottom-poured  ingots. Our annual melt capacity of more than  1.7 million tons, combined with our expert  knowledge of metallurgy, allows us to tailor every  order to customers’ specifications. By combining  steelmaking, heat-treatment, machining and product  flow know-how, we help customers achieve new  performance levels, improve supply chain efficiency  and reduce total costs. Our investment plans will  significantly strengthen our position as a leader in  providing differentiated solutions for the energy,  industrial and automotive markets. Our steel is found in: • Gas Turbine Engines and Gearboxes • Helicopter Transmission Systems • Rotor Systems • Auxiliary Power Units • Landing Gear • Instrumentation • Guidance Systems • Spaceflight Systems • Sensor Chips/Encoder • Medical Imaging • Motion Control Systems • Machine Tools • Semiconductor Manufacturing • Bearing Races and Rolling Elements • Heavyweight Drill Pipe • Drill Bits and Collars • Stator Tubes • Wind Energy Gears and Shafts • Axles, Crankshafts and Connecting Rods • Diesel Fuel Injectors • Bushings • Forgings • Hydraulic Cylinders • Pins, Shafts and Rolls • Ordnance • Gears and Hubs STEEL AEROSPACE AND DEFENSE 13