The World on the Ocean Floor | Sea of Hope: America's Underwater Treasures
[music playing]
MAN (OVER RADIO): [inaudible] 200 meters. Pisces V, K OK, do you copy? Roger, hatch is shut, ready to dive, dive, dive, over.
MAN (OVER RADIO): Roger, hatch is shut, ready to dive, dive, dive.
NARRATOR: Sylvia last dived here nearly fou…