Boeing Defense, Space & Security
Boeing X-45B
The Boeing X‑45B is an unmanned combat air vehicle (UCAV) developed by Boeing Defense, Space & Security as the follow‑on to the X‑45A demonstrator. Initiated in the early 2000s under the U.S. Air Force’s Joint Unmanned Combat Air Systems (J-UCAS) program, the X‑45B first flew in February 2005 and completed a rigorous flight‑test campaign through 2008. Designed to operate autonomously, the aircraft incorporates advanced flight‑control software, sensor‑fusion algorithms, and a digital “fly‑by‑wire” system that enables coordinated formation flight, in‑flight refueling, and precision strike without a human pilot in the cockpit.
Key features include a low‑observable airframe with blended wing‑body geometry, a modular payload bay that can carry a variety of guided munitions, and an integrated communications suite supporting secure datalinks and cooperative engagement with manned platforms. The X‑45B demonstrated the ability to launch multiple weapons, conduct autonomous target acquisition, and return to base for reuse, establishing a reusable UCAV concept.
The significance of the X‑45B lies in its demonstration that high‑speed, network‑centric combat can be achieved without crew, influencing subsequent programs such as the Boeing MQ‑25 Stingray and the broader push toward loyal wingman concepts across the U.S. armed forces.
Key features include a low‑observable airframe with blended wing‑body geometry, a modular payload bay that can carry a variety of guided munitions, and an integrated communications suite supporting secure datalinks and cooperative engagement with manned platforms. The X‑45B demonstrated the ability to launch multiple weapons, conduct autonomous target acquisition, and return to base for reuse, establishing a reusable UCAV concept.
The significance of the X‑45B lies in its demonstration that high‑speed, network‑centric combat can be achieved without crew, influencing subsequent programs such as the Boeing MQ‑25 Stingray and the broader push toward loyal wingman concepts across the U.S. armed forces.
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Classification
Dimensions
- Length
- 11.89 metre
- Mass
- 16556 kilogram
Performance
- Maximum Speed
- 0.85 Mach number
Design & Classification
- Country of Origin
- Manufacturer
- Boeing Defense, Space & Security
- Engine
- General Electric F404
- Wikidata ID
- Q120384806