Sediment corer (IMAGE) Woods Hole Oceanographic Institution Caption Crew on the WHOI-operated research vessel Neil Armstrong prepare to deploy a sediment corer to the seafloor of the Puerto Rico Trench. Credit (Photo by Paul Walczak, Oregon State University) Usage Restrictions n/a License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.