Martens en Van Oord, a contractor in roadworks, civil and hydraulic engineering, is taking a step toward further sustainability and modernization of its fleet by investing in the latest generation of the V4000 autonomous unmanned survey vessel (USV) from Demcon unmanned systems…<p><p>https://www.marinelink.com/news/martens-en-van-oord-purchases-autonomous-535653</p></p>