Video:
Exploring the Atlantic's Deepest Waters - The Puerto Rico Trench
Dr. Dwight Coleman, Expedition Leader, speaks about the past mission to the Puerto Rico Trench.
![Six gill shark](/sites/default/files/styles/square_thumbnail/public/images/cruises/NA037%20Six%20gill.jpg?h=c74750f6&itok=k4rA6haF)
Expedition
Dr. Dwight Coleman, Expedition Leader, speaks about the past mission to the Puerto Rico Trench.