Article Summary: The F-15EX Eagle II is the latest iteration of the legendary F-15, boasting advanced avionics, massive payload capacity, and cutting-edge radar systems. However, its hefty $90 million price tag per unit—higher than the F-35A—raises concerns about cost overruns and sustainability.
Key Point #1 – While the F-15EX offers unmatched versatility and firepower, critics argue that its lack of stealth and high operational costs make it an inefficient investment. Does the U.S. Air Force really need this expensive upgrade, or would funds be better spent elsewhere?
Key Point #2 – This article examines whether the F-15EX is a strategic necessity or just an overpriced modernization effort.
F-15EX Eagle II: The Costly Upgrade—Is It Worth the Price?
The F-15EX Eagle II, developed by Boeing, is the latest iteration of the venerable F-15 fighter jet series. This advanced multirole fighter is designed to replace the aging fleet of F-15C/D aircraft in the U.S. Air Force and provide unparalleled flexibility in both air-to-air and air-to-ground combat. The F-15EX represents a significant leap forward in technology and capability, making it a crucial asset for modern military operations.
What is the F-15EX Eagle II?
The F-15EX is an evolution of the F-15E Strike Eagle, incorporating numerous upgrades to enhance its performance and survivability. It features advanced avionics, digital fly-by-wire controls, improved radar systems, and enhanced weapon compatibility. The aircraft is designed to perform a wide range of missions, including air superiority, ground attack, and electronic warfare.
One of the standout features of the F-15EX is its impressive payload capacity. The aircraft can carry up to 29,500 pounds of weapons, including air-to-air missiles, air-to-ground munitions, and electronic warfare pods2. This makes it one of the world’s most heavily armed fighter jets. Additionally, the F-15EX is equipped with the latest AN/APG-82(V) Active Electronically Scanned Array (AESA) radar, which provides superior detection and tracking capabilities.
The F-15EX also boasts a modern cockpit with large-area displays, advanced mission systems, and an open architecture allowing rapid integration of new technologies. This ensures that the aircraft can adapt to evolving threats and mission requirements.
Why is the F-15EX So Expensive?
The F-15EX comes with a hefty price tag, with a flyaway cost of approximately $90 million per unit, making it more expensive than an F-35A! What makes this aircraft so expensive? Well, several factors in motion may explain why the F-15EX is so expensive.
The F-15EX Eagle II incorporates state-of-the-art technology, including advanced avionics, radar systems, and electronic warfare capabilities. Developing and integrating these technologies requires substantial investment in research and development (R&D). While it is not a stealth fighter, it is still impressive what the F-15EX is supposedly capable of
Manufacturing the F-15EX involves intricate assembly processes and stringent quality control measures. The aircraft’s sophisticated systems and components add to the complexity and cost of production. The infrastructure required for producing the F-15 was phased out long ago. Rebuilding such infrastructure requires time and resources.
Additionally, the F-15EX program relies on the global supply chain, with components sourced from multiple countries. Coordinating production and ensuring quality across this extensive network adds to the cost. Still recovering from the COVID pandemic and other Geopolitical factors, importing parts from other countries is expensive, further driving up the F-15EX’s price.
Beyond the initial acquisition cost, the F-15EX has high lifecycle costs, including maintenance, upgrades, and operational expenses. The aircraft’s advanced systems require specialized training and support, which can strain defense budgets. The upside is that the F-15EX has a much longer flight time. However, this comes at a significant financial cost.
Is the F-15EX Eagle II Worth the Cost?
Whether the F-15EX is worth its high cost is a subject of ongoing debate. Proponents argue that the aircraft’s advanced capabilities justify the investment, while critics point to its cost overruns and technical issues.
Here are some advantages that the F-15EX brings to the table:
The F-15EX offers significant improvements over its predecessors, including greater payload capacity, advanced radar systems, and superior electronic warfare capabilities. These enhancements make it a formidable asset in modern combat scenarios. Despite not having stealth technology, The F-15EX still packs a considerable Punch
The F-15EX is built with an open architecture, allowing rapid integration of new technologies. This adaptability ensures that the aircraft remains relevant as new threats and technologies emerge. In addition, the F-15EX’s multirole capability allows it to perform a wide range of missions, from air superiority to ground attack. This makes it highly versatile and valuable for the U.S. Air Force and allied forces.
Criticisms of the F-15EX
Critics of the modernization effort were quick to point out some potential issues. The F-15EX program has experienced cost overruns and delays, raising concerns about its affordability. They argue that the money spent on the F-15EX could be better allocated to other defense priorities.
The F-15EX has faced various technical challenges, including software bugs and integration problems. New technologies still need to be integrated into the platform These issues have raised questions about the aircraft’s reliability and readiness.
The high operational and maintenance costs of the F-15EX are the biggest concern for many. The aircraft’s advanced systems require specialized support, which can strain defense budgets. Especially with so many other high-cost projects eating away at the budget, many question whether an extreme overhaul on an old aircraft frame is really necessary.
Some argue that existing aircraft, such as the F-35A, could fulfill many of the same roles at a (relatively) lower cost. The F-35A, for example, offers stealth capabilities and advanced avionics, though it lacks the payload capacity of the F-15EX.
Worth it?
All in all, the F-15EX is a significant advancement in military aviation technology, offering enhanced capabilities that are crucial for modern combat. However, its high cost and technical challenges have sparked debate about its overall value. Ultimately, the decision to invest in the F-15EX depends on weighing its strategic advantages against its financial and operational implications. As the program continues to evolve, ongoing assessments will be necessary to determine whether the F-15EX remains a worthwhile investment or if its another failed modernization program.
F-15EX Eagle II: A Collection of Fighter Photos

An F-15EX Eagle II from the 85th Test and Evaluation Squadron, 53rd Wing, takes flight for the first time out of Eglin Air Force Base, Fla., April 26, 2021, prior to departure for Northern Edge 2021. The F-15EX brings next-generation combat technology to a highly successful fighter airframe that is capable of projecting power across multiple domains for the Joint Force. (U.S Air Force photo by 1st Lt Savanah Bray)

F-15EX Eagle II artist rendition. Image Credit: Boeing.

F-15EX Eagle II. Image Credit: Creative Commons.

F-15EX Eagle II. Image Credit: Creative Commons.

F-15EX Eagle II image provided by Boeing.

F-15EX Eagle II. Image Credit: Creative Commons.

The F-15EX Eagle II, the Air Force’s newest fighter aircraft, arrives to Eglin Air Force Base, Florida March 11. The aircraft will be the first Air Force aircraft to be tested and fielded from beginning to end through combined developmental and operational tests. The 40th Flight Test Squadron and the 85th Test and Evaluation Squadron personnel are responsible for testing the aircraft. (U.S. Air Force photo/1st Lt. Karissa Rodriguez)

F-15EX Eagle II. Image Credit: Boeing.

Staff Sgt. Dave Smith and Senior Airman John Pusieski from the 58th Operational Support Squadron, 58th Fighter Wing, peform last-minute checks and arm practice bombs on an F-15E Eagle aircraft from the 461st Fighter Squadron.
About the Author: Isaac Seitz
Isaac Seitz, a 19FortyFive Defense Columnist, graduated from Patrick Henry College’s Strategic Intelligence and National Security program. He has also studied Russian at Middlebury Language Schools and has worked as an intelligence Analyst in the private sector.
