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7 of the world’s most deadliest robot submarines set to change naval warfare forever

7 of the world’s most deadliest robot submarines set to change naval warfare forever
Source: interestingengineering
Author: Atharva Gosavi
Published: 11/21/2025

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The article highlights the transformative impact of autonomous and robotic submarines on modern naval warfare, emphasizing their ability to operate longer, deeper, and with greater precision than manned vessels. These unmanned underwater vehicles (UUVs) are equipped with advanced sensors, autonomous navigation, and modular payload bays, allowing them to perform diverse missions such as surveillance, mine countermeasures, electronic warfare, and anti-submarine operations while minimizing human risk. The article profiles seven of the most powerful and innovative military robot submarines currently shaping naval capabilities worldwide. Among the featured UUVs, Boeing’s Orca XLUUV stands out as one of the largest and most capable, with an 85-ton weight and a 6,000-nautical-mile range, supporting a variety of mission payloads. The Snakehead LDUUV, designed for launch from submarines, emphasizes deep-water, long-endurance missions with sophisticated autonomy and modular design. The Greyshark AUV offers long-range reconnaissance with swarm capabilities

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robotautonomous-underwater-vehiclesunmanned-submarinesmilitary-technologynaval-warfareunderwater-roboticsenergy-storage-systems