PBS
Pbs: Lost Liners: Lusitania
PBS documentary about famous shipwrecks reviews the sinking of the Lusitania and the salvage efforts undertaken by deep-sea archaeologist Bob Ballard, who explored the wreckage in 1993.
NOAA
Noaa: Submersibles
Learn more about the technology that's involved in oceanography. This resource contains descriptions and pictures of thirteen different submersibles and remotely operated vehicles.
US Navy
Naval Historical Center: The Navy Travels Undersea
[Archived Content] Have you ever wondered how it is possible to explore the ocean floor? This interactive site developed by the U.S. Navy answers this and other questions through various activities. Includes a biography of Dr. Ballard.
Other
Harbor Branch Oceanographic Institution
This research institute uses ROVs to study the ocean. Learn about news, research, and the ships and submarines used by HBOI.