Now, we continue our story from Radio Diaries about the Navy's Sealab program. As we heard elsewhere on today's show, back in the 1960s, the Navy built a series of underwater habitats under the ...

Now, we continue our story from Radio Diaries about the Navy's Sealab program. As we heard elsewhere on today's show, back in the 1960s, the Navy built a series of underwater habitats under the ...