The US Navy Just Bought an Australian ‘Speartooth’ Submarine Drone

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The large undersea drone was christened on May 1—with the traditional champagne bottle broken across the bow by a robotic arm, a sign of the changing times.

The US Navy has received a new undersea drone that can strike at Chinese warships and scout Russian ports.

On May 1, the Navy and Australian C2 Robotics announced the commissioning of the Speartooth Large Uncrewed Undersea Vehicle (LUUV). 

About the Speartooth Undersea Drone  

Year Introduced: 2026   

Number Built: Low (1 commissioned)

Length: 26–40 ft (8–12 m) 

Beam (Width): 3.3 ft (1 m) 

Displacement: 2,205 tonnes 

Top Speed: Unknown   

Range: 1,080 nmi (1,245 mi, 2,000 km) 

Armaments: Modular dual payloads; unknown loadout 

The undersea drone reportedly uses a hybrid lithium-ion and diesel engine with an electric propeller. Hybrid engines are becoming increasingly popular in weapon systems because of their ability to alternately provide low-speed endurance through batteries and higher speed through........

© The National Interest