Key Points and Summary – This analysis pits the modern, heavily-armed F-15EX Eagle II against the legendary YF-23 Black Widow II, a revolutionary stealth prototype from the 1990s.
-It’s a classic battle of philosophies: the F-15EX’s sheer firepower and advanced sensors versus the YF-23’s superior, potentially F-22-beating stealth.
-The outcome depends entirely on the scenario.
-In a long-range, beyond-visual-range engagement, the YF-23’s stealth would likely grant it the first-shot advantage.
-However, if the fight got close, the F-15EX’s extreme maneuverability and massive missile load would dominate.
YF-23 Black Widow II vs. F-15EX: It Would Be a Tough Fight
The F-15EX is a modernized version of a legacy platform, designed to deliver overwhelming firepower and versatility in a wide range of missions. The YF-23, on the other hand, was a stealth-focused prototype developed during the Advanced Tactical Fighter (ATF) competition in the late 1980s and early 1990s.
Both were built with drastically different design philosophies in mind, but how would they fare in a fight against each other?
The F-15EX boasts a sophisticated avionics and sensor suite, while the YF-23 has highly advanced stealth technology.
The F-15EX vs the YF-23
The F-15EX is built on the proven airframe of the F-15, a fighter that has been in service since the 1970s. Boeing’s upgrades to the Eagle II include advanced avionics, electronic warfare systems, and a digital backbone that allows for rapid software updates and integration of new weapons. It is designed to carry a massive payload, including up to 22 air-to-air missiles, and can perform both air superiority and strike missions.
Its twin F110-GE-129 engines provide a combined thrust of nearly 58,000 pounds, allowing it to reach speeds of Mach 2.5 and operate at altitudes up to 65,000 feet. The aircraft is not stealthy in the traditional sense, but it compensates with powerful sensors, electronic warfare capabilities, and sheer firepower.
The YF-23, developed by Northrop and McDonnell Douglas, was a competitor to the Lockheed YF-22 in the ATF program. While the YF-22 eventually evolved into the F-22 Raptor, the YF-23 showcased a distinct vision of stealth and speed.
Its design featured a diamond-shaped wing, a blended fuselage, and V-tail ruddervators, all of which contributed to a low radar cross-section and reduced infrared signature. The aircraft was capable of supercruise, which made it harder to detect and track.
Powered by either the Pratt & Whitney YF119 or the General Electric YF120 engines, the YF-23 could reach speeds exceeding Mach 2 and had a combat radius comparable to the F-15EX. Its internal weapons bay preserved stealth but limited its payload compared to the Eagle II.
Avionics and Weaponry
In terms of avionics, the F-15EX benefits from decades of technological evolution. It is equipped with the Raytheon AN/APG-82(V)1 AESA radar, the BAE Systems EPAWSS electronic warfare suite, and the Legion Pod infrared search and track system.
These systems allow the F-15EX to detect, track, and engage targets at long ranges, even in contested environments. The cockpit features a large area display and fly-by-wire controls, making it highly adaptable and pilot-friendly.
The YF-23, while advanced for its time, lacked the digital infrastructure of modern fighters. Its sensor suite was designed for passive detection and low emissions, aligning with its stealth mission, but it did not have the modularity or upgrade potential of the F-15EX.
When comparing weapons capabilities, the F-15EX is clearly superior in terms of quantity and variety. It can carry a wide array of air-to-air and air-to-ground munitions, including AIM-120 AMRAAMs, AIM-9X Sidewinders, JDAMs, and standoff weapons like the AGM-158 JASSM.
This makes it a formidable platform for both offensive and defensive operations. The YF-23, constrained by its internal weapons bay, could carry fewer missiles and had limited air-to-ground capability. Its stealth design prioritized survivability over payload, which would be a disadvantage in prolonged engagements or missions requiring heavy firepower.
Does Stealth Trump Everything
In terms of maneuverability, the F-15EX is surprisingly agile for its size. Its digital flight controls and powerful engines give it excellent performance in dogfights, with no angle-of-attack limits and a high thrust-to-weight ratio.
The YF-23, while fast and stealthy, was less maneuverable than its competitor, the YF-22. Its design emphasized stealth and speed over agility, which would be a liability in close-range combat.
A battle between these two fighters will ultimately come down to who sees who first. In this arena, the YF-23 is a truly formidable opponent. The YF-23 was built first and foremost to be a stealth fighter. Its frame was designed to reduce its Radar Cross Section as much as possible, making it difficult for enemy radars to detect. Additionally, the flat nozzles on its engines help cool and disperse gases, reducing its infrared signature.
These and many other features make the YF-23 one of the stealthiest fighter jets to take to the skies, more so than the F-22 Raptor. The F-15EX boasts an impressive avionics and sensor suite, but even then, it would struggle to detect the YF-23 without assistance from supporting AW&C and EW air units.
Who Wins in the End?
A hypothetical head-to-head engagement between the F-15EX and the YF-23 would depend heavily on the scenario. In a beyond visual range (BVR) encounter, the YF-23 would likely have the upper hand. Its stealth characteristics and supercruise capability would allow it to approach undetected, launch missiles, and disengage before the F-15EX could respond effectively. The F-15EX, however, has superior radar and electronic warfare systems, and if it were able to detect the YF-23 early enough, it could defend itself.
In a within-visual-range (WVR) dogfight, the F-15EX would have a distinct advantage. Its maneuverability, weapons load, and sensor fusion would enable it to dominate in close-quarters combat.
The YF-23’s stealth would be less effective at short range, and its limited agility would make it vulnerable to the Eagle II’s superior tactics and firepower.
About the Author:
Isaac Seitz, a 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.
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