RTX Corporation is an American aerospace and defense company that provides advanced systems and services for commercial, military, and government customers. The company operates through three core businesses: Collins Aerospace, which supplies aircraft systems, avionics, interiors, and mission support products; Pratt & Whitney, which designs and manufactures aircraft engines and related propulsion technologies; and Raytheon, which develops defense technologies including missile systems, sensors, and integrated air and missile defense capabilities. RTX also supports aftermarket services, maintenance, repair, and overhaul operations, helping airlines, aircraft manufacturers, defense agencies, and space-related customers manage critical equipment throughout its lifecycle. Headquartered in Arlington, Virginia, RTX Corporation plays a central role in global aerospace and defense markets by combining manufacturing, systems integration, and long-term service support across civil aviation, national security, and government applications.