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<p class="text-body text-muted small">LIG Nex1’s new AUV and XLUUV are being developed to meet South Korea’s mine-countermeasures requirements. (Janes/Chinmay Kohad)</p>
<p>LIG Nex1 displayed models of a new autonomous underwater vehicle (AUV) and an extra-large unmanned underwater vehicle (XLUUV) at the MADEX 2023 exhibition in Busan, South Korea.</p>
<p>The company told <em>Janes</em> that the AUV, which is under development, has a length of 2 m and a diameter of 20 cm. It has an operational depth of 200 m and weighs 60 kg.</p>
<p>The AUV is being developed under a KRW12 billion (USD9.1 million) contract awarded to LIG Nex1 by South Korea’s Defense Acquisition Program Administration (DAPA) in December 2020.</p>
<p>LIG Nex1 said the AUV can traverse underwater at a cruise speed of around 3 kt and a maximum speed of 7 kt. The AUV can be fitted with a side-scan sonar. Other installed systems include an ultrasonic camera and an optical camera for imaging purposes and underwater communication systems.</p>
<p>The AUV has an endurance of about 20 hours, and can be employed for various mine detection, underwater mapping, and border and harbour surveillance missions, the company said.</p>
<p>LIG Nex1’s new XLUUV, which the company said is in the concept stage, has a length of about 16 m. The XLUUV is able to achieve a maximum speed of 16 kt and will have a maximum endurance of 30 days, with a cruise speed of 7 kt, according to the company. Its estimated weight is 30 tonnes.</p>
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