RTX, through a merger in 2020, has become a major player in the aerospace and defense industry, combining the strengths of Collins Aerospace, Pratt & Whitney, and Raytheon. With a significant R&D budget and a vast number of patents, RTX is driving innovation in aircraft propulsion technology. The company's chief scientist emphasizes the importance of reimagining aviation for the future and ensuring air superiority for the USA and its allies. Collaborative opportunities within RTX allow for advancements in areas like aircraft electrification, integrated air and missile defense systems, and advanced materials. A focus on hybrid-electric propulsion involves projects like the RTX Hybrid-Electric Flight Demonstrator and the European Union's SWITCH programme. RTX is also exploring the use of alternative fuels, showcasing readiness for synthetic fuels and keeping an eye on the potential of hydrogen as a future aviation fuel. Overall, RTX's commitment to innovation and collaboration positions it as a leader in pushing the boundaries of aircraft propulsion technology.