Boeing has successfully delivered the inaugural Extra Large Uncrewed Undersea Vehicle (XLUUV), named "Orca," to the U.S. Navy following a comprehensive series of sea trials. This marks a significant leap in autonomous naval submarine technology, as the Orca, measuring 85 feet in length with a payload capacity of 8 tonnes, stands as the largest in its class. It serves as the initial prototype among four ordered by the Navy for thorough evaluation and builds upon Boeing's Echo Voyager, a proof-of-concept XLUUV launched in 2017.
Distinguished by its modular design, the Orca is specifically tailored to meet mission requirements. Operating on a hybrid diesel/lithium-ion battery system, it facilitates extended underwater missions, resurfacing for recharging through a retractable mast that doubles as a snorkel. With a payload section capable of accommodating modules up to 34 feet in length, the submarine achieves a maximum speed of 8 knots and an impressive range of 6,500 miles. Its autonomous systems adeptly handle navigation and mission execution, particularly in contested waters.
Despite its formidable size, the Orca appears more compact than conventional submarines, attributed to the absence of life support systems, crew spaces, safety systems, and sound deadening necessary for human occupants. Boeing Maritime and Intelligence Systems Vice President Ann Stevens expressed pride in the team's innovative, persistent, and dedicated efforts that culminated in the development of this groundbreaking autonomous undersea vehicle.
Designated as a Test Asset System (XLE0), the Orca will undergo rigorous testing to inform the refinement of subsequent models (XLUUV 1 through 5). Configured to seamlessly integrate various payloads, sensors, communication systems, and mission-specific components, the Orca XLUUV offers adaptability to evolving naval operational requirements. Its design caters to extended missions in open, congested, and contested waters, minimizing the necessity for human intervention.
Boeing's Orca XLUUV aligns with the U.S. Navy's exploration of uncrewed undersea vehicles, providing a versatile platform for diverse mission capabilities. The successful delivery signifies a significant milestone in advancing autonomous naval technologies, contributing to the Navy's strategic objectives in adapting to dynamic maritime environments.
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