PlankZooka (image) Duke University Share Print E-Mail Caption The robot submarine named Sentry, equipped with the SyPRID samplers, being lowered into the water from the RV Atlantis. Credit Andrew Billings, WHOI Usage Restrictions Please use credits as listed. Share Print E-Mail 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.