Spanish authorities redeployed a marine research vessel to join the search for missing flood victims along the Mediterranean coast Tuesday. The Ramón Margalef — a nearly 151-foot long vessel “equipped with cutting-edge technology, capable of exploring the oceans with great precision and detail” — will arrive Valencia Saturday carrying researchers, technicians and “cutting-edge” equipment, Spain’s Ministry of Science, Innovation and Universities (MICIU) announced. The ship will map and produce detailed images of the seabed using unmanned underwater remotely operated vehicles (ROVs) able to expl…