Boeing X-45

Boeing X-45
Pays	Usa
Rôle	Véhicule aérien de combat sans pilote
Premier vol	22 mai 2002
Construit	2

Lla Boeing X-45 Unmanned Combat Air Vehicle est un démonstrateur de concept pour une prochaine génération d’avions militaires complètement autonomes, développé par Boeing’s Phantom Works. Fabriqué par Boeing Integrated Defense Systems, le X-45 faisait partie de la DARPA’s projet J-UCAS.

Source: Boeing X-45 sur Wikipedia

Boeing X-45A se promener
Photographe	Vladimir Yakubov
Localisation	Musée national de l’air et de l’espace, Washington DC
Photos	46

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Boeing X-45A J-UCAS Promenade
Photographe	Vladimir Yakubov
Localisation	Le Musée National de l’USAF
Photos	43

Boeing X-45A J-UCAS

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General Characteristics and Role

The Boeing X-45 was a series of experimental unmanned combat air vehicles (UCAV) developed by Boeing Phantom Works for the Defense Advanced Research Projects Agency (DARPA) and the U.S. Air Force. The primary role of the X-45 program was to demonstrate the feasibility of an autonomous, highly survivable, and affordable aircraft capable of performing deep strike and suppression of enemy air defense (SEAD) missions. It pioneered technologies essential for future uncrewed, stealthy strike platforms, specifically focusing on autonomous flight and combat operation. The X-45A was the initial subscale technology demonstrator, paving the way for the larger X-45C variant.

Property	Typical Value (X-45A Demonstrator)
Rôle	Experimental Unmanned Combat Air Vehicle (UCAV)
National Origin	États-Unis
Fabricant	Boeing Phantom Works
First Flight (X-45A)	22 mai 2002
Crew	0 (Autonomous or Ground-Controlled)
Length	8.08 m (26 ft 6 in)
Envergure	10.31 m (33 ft 10 in)
Maximum Takeoff Weight	5,528 kg (12,187 lb)
Configuration	Tailless, flying wing (stealth optimization)

Powerplant and Key Technologies

Engine: 1 x Honeywell F124-GA-100 turbofan engine.
Thrust: Approx. 28.2 kN (6,340 lbf).
Stealth Design: The tailless, swept-wing, and blended-body configuration was optimized to minimize radar cross-section, similar to later stealth designs.
Control System: Full fly-by-wire system, capable of completely autonomous mission execution, including detection, attack (simulated), and return to base, with human oversight.
Weapons Bay: The X-45A was equipped with an internal weapons bay capable of carrying 450 kg (1,000 lb) class precision-guided munitions (PGMs).
Maximum Speed: High subsonic (approx. Mach 0.75).

Program Milestones and Legacy

Key Achievement: The X-45A successfully demonstrated several « firsts » for an autonomous combat vehicle, including the successful simulated destruction of a target after receiving a command from a remote controller and the coordination of two X-45A vehicles to autonomously attack targets.
X-45C Variant: The subsequent, larger X-45C was designed with a single large internal bay and a wingspan of 15 m (49 ft), intended to directly compete for the U.S. Navy’s future carrier-based UCAV.
Cancellation: The Joint Unmanned Combat Air System (J-UCAS) program, which encompassed the X-45 (and Northrop Grumman’s X-47), was restructured and canceled in 2006, leading to the X-45 program’s termination.
Influence: Despite its cancellation, the X-45 program’s technological achievements profoundly influenced subsequent U.S. Navy and Air Force unmanned programs, including the Boeing Loyal Wingman and the classified UCAV efforts.