Other features: The Boeing Orca Extra-Large Uncrewed Underwater Vehicle features a hybrid diesel-electric propulsion system that relies on powerful lithium-ion batteries for underwater operation, while its batteries are recharged on the surface or at periscope depth using onboard diesel generators. It is equipped with a modular payload bay measuring approximately 10 meters in length with a capacity exceeding 56 to 70 cubic meters. The vehicle’s core missions include strategic intelligence, surveillance, and reconnaissance (ISR), mine laying, mine countermeasures, anti-submarine warfare, electronic warfare, and serving as a mobile platform.