The vessel transported troops during World War II and was sunk by a Nazi submarine on July 19, 1944, more than 80 years ago. The Brazilian Navy used sonar imaging techniques to identify the ...

Similarly to this ship, there are more than 500 World War II-era wrecks off the coast of Brazil. Similar sonar technology is being used more and more to identify such vessels.

Manchester scientistd Ernest Rutherford – famed for “splitting the atom” – also deserves better recognition for helping to pioneer a system we now know as sonar as part of a top secret World War One ...

To read about a survey to map wrecks from World War I and World War II on the Irish Sea floor, go to "An Undersea Battlefield." Sonar image of the hull of Vital de Oliveira on the seafloor ...