The F-22 Raptor utilizes rectangular engine nozzles that swivel to provide thrust vectoring, enhancing the aircraft's maneuverability and stealth capabilities [1, 2].
This technology allows the U.S. Air Force stealth fighter to perform tighter turns and maintain control at extreme altitudes where traditional control surfaces are less effective. By integrating thrust vectoring with a low-observable design, the aircraft can change direction rapidly without compromising its radar signature.
Developed by Lockheed Martin, the F-22 entered service in 2005 [2]. The square shape of the nozzles is a critical component of the plane's stealth profile, as it helps mask the heat signature and reduces the aircraft's visibility to enemy sensors [1]. These nozzles allow the pilot to direct the engine's thrust, which is essential for supersonic efficiency and agility during aerial combat [1, 2].
For 20 years, these specific square engine nozzles have not been copied by other nations [2]. The complexity of the design and the materials required to withstand extreme heat while remaining stealthy have created a significant technical barrier for competitors. This gap in capability has long contributed to the F-22's dominance in air superiority roles.
Recent developments suggest this exclusivity may be ending. A second J-36 demonstrator was seen in 2026 featuring rectangular exhaust nozzles similar to those on the Raptor [2]. This indicates that other aerospace programs are now attempting to replicate the thrust-vectoring benefits that the U.S. has utilized for two decades.
The Raptor continues to operate as a primary asset for the U.S. Air Force, relying on the synergy between its stealth coating and its unique propulsion system to maintain a tactical advantage over adversaries [1].
“The square shape of the nozzles is a critical component of the plane's stealth profile.”
The F-22's thrust-vectoring nozzles represent a convergence of propulsion and stealth that has remained a unique U.S. advantage since 2005. However, the appearance of similar hardware on the J-36 demonstrator suggests that the technical gap in low-observable maneuverability is narrowing, potentially shifting the balance of aerial superiority in future conflicts.



