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<p class="text-body text-muted small">The Sea Ghost (above) can control up to four M-Searcher USVs operating in swarm. (Janes/Chinmay Kohad)</p>
<p>Hanwha Systems displayed its manned-unmanned teaming (MUM-T) solution for the Republic of Korea Navy (RoKN) at the MADEX 2023 exhibition in Busan, which concluded on 9 June. The concept features two types of unmanned surface vessel (USV) platforms – the Sea Ghost and the M-Searcher.</p>
<p>The Sea Ghost USV has a length of 12 m and a width of 3.5 m. This vessel is powered by two engines using hybrid propulsion, with two water-jets enabling a cruise speed of 20 kt and a maximum speed of 40 kt.</p>
<p>The Sea Ghost has been fitted with a navigation radar, a wave radar, and an electro-optical/infrared (EO/IR) sensor. For communications, it uses an electronically steerable satellite communications (satcom) antenna fixed on a mast and linked to a low Earth orbit (LEO) satellite and an underwater acoustic system in the stern.</p>
<p>The USV, which can be operated in manned or unmanned mode, is fitted with one 12.7 mm K9 machine gun at the front and carries a synthetic aperture sonar autonomous underwater vehicle (AUV) and a multibeam echosounder at the back for search-and-rescue (SAR) operations. It has an endurance of 12 hours at 20 kt and a range of 240 nm.</p>
<p>The M-Searcher USV is an unmanned platform, with a length of 8 m and a width of 2.7 m. The USV is powered by one diesel engine with water-jet propulsion, providing a maximum speed of 35 kt and an endurance of 12 hours.</p>
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