Raytheon Technologies has emerged as an aerospace and defense company, providing advanced systems and services for commercial, military and government customers world wide. The company operates through the following 4 business segments. Collins Aerospace segment specializes in six strategic business units, namely, aerostructures, avionics, interiors, mechanical systems, mission systems, and power & control systems. Pratt & Whitney segment designs, manufactures and services the world's most advanced aircraft engines and auxiliary power systems for commercial, military and business aircraft. Raytheon Intelligence & Space segment develops advanced sensors and also offers training, and cyber and software solutions. Raytheon Missiles and Defense segment manufactures a broad portfolio of advanced technologies, including air and missile defense systems, precision weapons, radars, and command and control systems.