Pratt Whitney Develops Scalable Engines for Munitions and Combat Aircraft

Introduction

The global defense aerospace sector is undergoing rapid transformation as the demands of modern warfare and the proliferation of autonomous systems drive technological evolution. On September 22, 2025, Pratt & Whitney, a business unit of RTX Corporation (formerly Raytheon Technologies), announced the development of a new family of scalable engines designed to power both munitions and Collaborative Combat Aircraft (CCA). This initiative marks a significant advance in Propulsion technology, catering to the growing need for adaptable, efficient, and cost-effective engines for next-generation military platforms.

With thrust capabilities ranging from 500 to 1,800 pounds, these engines address a wide spectrum of operational requirements, from small tactical munitions to larger, autonomous aircraft. The announcement comes at a time when the U.S. defense budget for 2025 has reached $895.2 billion, underscoring the strategic emphasis on advanced technology to maintain military superiority. As the largest aerospace and defense company by market share, RTX’s move positions Pratt & Whitney at the forefront of innovation in military propulsion systems.

This article examines the context, technical underpinnings, and market implications of Pratt & Whitney’s engine development, highlighting its potential impact on defense strategy, manufacturing, and the broader competitive landscape.

Strategic Context and Market Positioning

Pratt & Whitney’s new engine initiative emerges amid shifting defense priorities and intensified global competition. RTX Corporation, headquartered in Arlington, Virginia, leads the aerospace and defense sector with over 185,000 employees and 2024 sales exceeding $80 billion. This robust financial base enables substantial investments in research and development, particularly in areas poised to define the future of military capabilities.

The U.S. remains the world’s largest defense spender, accounting for about 37% of global military expenditure. For fiscal year 2025, Congress allocated $895.2 billion for national defense, with $849.9 billion directed to the Department of Defense. These figures reflect a strong commitment to technological innovation, especially in disruptive domains such as hypersonics, artificial intelligence, and autonomous platforms, all of which rely on advanced propulsion solutions.

RTX’s 16.13% market share in aerospace and defense underscores its leadership, outpacing competitors like Boeing, Lockheed Martin, and General Dynamics. The company’s diversified structure, encompassing Collins Aerospace, Pratt & Whitney, and Raytheon, provides synergistic capabilities for delivering integrated defense solutions. The timing of the engine announcement aligns with the U.S. Air Force’s push for distributed, networked, and autonomous operations, as embodied in the CCA program, further reinforcing RTX’s strategic positioning.

Defense Spending and Industry Trends

Recent increases in defense budgets have prioritized investment in next-generation technologies. The 2025 National Defense Authorization Act emphasizes modernization, with a focus on platforms capable of countering peer adversaries. Within this context, propulsion technology is seen as a critical enabler for future operational concepts, including swarming munitions and manned-unmanned teaming.

Industry trends favor modular, scalable solutions that can be rapidly adapted to evolving mission needs. The shift towards open architectures and commonality across platforms reduces lifecycle costs and enhances operational flexibility. Pratt & Whitney’s new engine family, with its scalable thrust and modular design, aligns directly with these trends.

RTX’s continued investment in digital engineering, rapid prototyping, and additive Manufacturing further positions the company to capitalize on emerging requirements. This approach not only accelerates development cycles but also supports cost containment, an increasingly important consideration given the scale of planned CCA deployments.

“The GATORWORKS team’s focus on development speed and affordability drives the program’s strategic objectives.”, Jill Albertelli, President, Pratt & Whitney Military Engines

Technical Innovation and Engine Development

The new Pratt & Whitney engine family is notable for its scalable design, covering thrust outputs from 500 to 1,800 pounds. This flexibility enables a single engine architecture to address a range of applications, from small munitions to larger, more complex unmanned aircraft. The development is led by the GATORWORKS team, which specializes in rapid and cost-effective engineering solutions.

Key to the project is the use of additive manufacturing, a technology Pratt & Whitney has pioneered in military engines. Additive manufacturing allows for a significant reduction in part count, engineers have demonstrated reductions from over 50 parts to just a few, streamlining production and lowering costs. This method also supports the realization of complex designs that would be difficult or impossible to achieve with traditional manufacturing.

The new engine family draws on lessons learned from existing products such as the TJ150, which powers munitions and decoys, and the FJ700 small turbofan. However, the current effort is not simply an evolution of previous designs; it incorporates new data, testing outcomes, and advanced manufacturing processes to create a distinct and forward-looking solution. A second series of validation tests is scheduled for early 2026, marking a critical milestone toward production readiness.

Manufacturing and Production Capabilities

Pratt & Whitney’s manufacturing strategy leverages its experience with additive manufacturing to enable rapid, flexible, and cost-effective production. This capability is particularly valuable for military applications, where complex geometries and integrated functionalities can enhance performance while reducing system complexity.

Production economics are central to the engine family’s value proposition. Additive manufacturing not only reduces part count and simplifies supply chains but also eliminates the need for expensive tooling. This is especially beneficial for programs like CCA, which anticipate large-scale procurement. The company’s proactive investment in production capacity, as highlighted by GATORWORKS leadership, positions it to meet future demand efficiently.

Quality assurance and sustainment are also addressed through digital design and rapid prototyping. These tools accelerate development while ensuring that components meet stringent military standards. The company’s track record, over 2,600 TJ150 engines delivered for the MALD program, demonstrates its ability to scale production and maintain quality in demanding defense environments.

“Additive manufacturing is transforming the way we design and manufacture products, offering us unprecedented flexibility.”, Jesse Boyer, Pratt & Whitney

Collaborative Combat Aircraft Program Overview

The U.S. Air Force’s Collaborative Combat Aircraft program is a cornerstone of its Next Generation Air Dominance (NGAD) strategy. The CCA initiative envisions large numbers of autonomous aircraft operating alongside manned fighters, leveraging advanced sensors, networking, and artificial intelligence to achieve air superiority in contested environments.

Plans for the CCA program are ambitious: the Air Force aims to pair at least 1,000 uncrewed CCAs with advanced fighters, creating a force multiplication effect through manned-unmanned teaming. This approach distributes risk, enhances operational flexibility, and enables new tactics that would be unfeasible for traditional platforms alone.

Funding reflects the program’s importance, with $490 million requested in the 2024 budget for CCA development and $6 billion projected through 2028. The technical requirements for CCA engines are stringent, reliability, autonomy, and affordability are paramount. Pratt & Whitney’s scalable engine family is designed to meet these needs, supporting both domestic and potential international customers.

Competitive and Partnership Dynamics

The CCA program is attracting significant industry interest. In April 2024, Anduril and General Atomics were selected to build prototype CCAs, with General Atomics leveraging the XQ-67A platform. These developments highlight the importance of propulsion partners able to deliver high-performance, scalable, and cost-effective engines.

Pratt & Whitney’s Partnerships extend beyond aircraft to include munitions manufacturers. The company supplies engines for the Dynetics Black Arrow missile and Raytheon’s MALD decoy, demonstrating its ability to integrate propulsion solutions across diverse platforms.

International collaboration is another avenue for growth. As allied nations pursue their own autonomous capabilities, opportunities for technology transfer and licensed production may expand the addressable market for Pratt & Whitney’s new engines, provided export controls and security requirements are met.

Financial Implications and Market Impact

RTX Corporation’s financial health underpins its investment in next-generation engine technology. In 2024, RTX reported $80.7 billion in sales, a 17.15% increase year-over-year, and $4.77 billion in earnings, up nearly 50%. The company’s $218 billion backlog, split between commercial and defense orders, provides stability and resources for long-term R&D.

Market analysts maintain a positive outlook, with most rating RTX as a “Buy” and projecting continued revenue growth. The anticipated scale of the CCA program, along with ongoing munitions modernization and international sales, represents a substantial revenue opportunity for the new engine family.

Cost competitiveness is central to the program’s market potential. Additive manufacturing is expected to yield significant savings, both in initial production and throughout the engine lifecycle. These efficiencies enhance Pratt & Whitney’s ability to compete for large-scale contracts and offer value to defense customers facing budget constraints.

“Unitization saves costs by reducing our part count, and it also improves our lead time because you’re simplifying the supply chain.”, Jesse Boyer, Pratt & Whitney

Conclusion

Pratt & Whitney’s new scalable engine family represents a pivotal development in military propulsion, aligning with the strategic priorities of the U.S. Department of Defense and global trends in autonomous systems. By combining modular design, advanced manufacturing, and a focus on affordability, the initiative addresses the operational and fiscal realities of modern defense programs.

As the Collaborative Combat Aircraft program and similar initiatives progress, the ability to deliver reliable, cost-effective, and adaptable propulsion will be a key determinant of success. Pratt & Whitney’s approach, supported by RTX’s financial strength and industry leadership, positions the company to shape the future of military aviation and maintain a competitive edge in a rapidly evolving market.

FAQ

What is the thrust range of Pratt & Whitney’s new engine family?
The engines are scalable from 500 to 1,800 pounds of thrust, covering applications from munitions to autonomous combat aircraft.

What manufacturing technologies are being used?
Additive manufacturing (3D printing) is a key technology, enabling reduced part counts, cost savings, and rapid prototyping.

How does this development support the Collaborative Combat Aircraft program?
The scalable engines are designed to meet the reliability, autonomy, and affordability requirements of the CCA program, supporting large-scale deployment of unmanned systems.

Who leads the engine development effort?
The GATORWORKS team at Pratt & Whitney, with oversight from Jill Albertelli, president of Military Engines, leads the development.

When are the next major milestones for the program?
A second series of validation tests is scheduled for early 2026, which will inform final production readiness.

Sources

• RTX News Center