The submarine, an unmanned underwater vessel, or UUV, shows advancing Houthi capability and a shifting strategy, ABC News ...

North Korea said it tested a new “unmanned underwater nuclear attack craft” as the South Korea-U.S. drills drew to a close. Russia’s first submarine capable of launching the Poseidon nuclear ...

This is the first time U.S. forces have observed Houthis using an unmanned underwater vessel (UUV) since the group began attacking merchant and commercial ships passing through the Red Sea on Oct.

HII’s UUV portfolio consists of Remus 100, Remus 300, Remus 620 and Remus 6000, which enjoy solid demand in the Unmanned Sea Systems market. Boeing’s Echo Voyager is a fully autonomous XLUUV ...