Raytheon Technologies Corporation, an aerospace and defense company, provides systems and services for the commercial, military, and government customers worldwide. It operates through four segments: Collins Aerospace, Pratt & Whitney, Raytheon Intelligence & Space, and Raytheon Missiles & Defense. The Collins Aerospace Systems segment offers aerospace and defense products, and aftermarket service solutions for aircraft manufacturers and airlines, as well as regional, business, and general aviation; and for defense and commercial space operations. This segment also designs, produces, and supports cabin interior, oxygen systems, food and beverage preparation, storage and galley systems, and lavatory and wastewater management systems; airborne intelligence, surveillance and reconnaissance systems, test and training range systems, crew escape systems, and simulation and training solutions; information management services; and aftermarket services that include spare parts, overhaul and repair, engineering and technical support, training and fleet management solutions, and asset management services. The Pratt & Whitney segment supplies aircraft engines for commercial, military, business jet, and general aviation customers; and produces, sells, and services military and commercial auxiliary power units. The Raytheon Intelligence & Space segment develops and provides integrated space, communication, and sensor systems, and cyber and software solutions to intelligence, defense, federal, and commercial customers. The Raytheon Missiles & Defense segment provides end-to-end solutions for U.S. and foreign government customers designed to detect, track, and engage threats. The company was incorporated in 1934 and is headquartered in Arlington, Virginia.