Raytheon Technologies is a diversified aerospace and defense industrial company formed from the merger of United Technologies and Raytheon, with roughly equal exposure as a supplier to the commercial aerospace manufactures and to the defense market as a prime and subprime contractor. The company operates in four segments: Pratt & Whitney, an engine manufacturer; Collins Aerospace, a diversified aerospace supplier; intelligence, space and airborne systems, a mix between a sensors business and a government IT contractor; and integrated defense and missile systems, a defense prime contractor focusing on missiles and missile defense hardware.