In the 1960s, the Navy built a series of underwater habitats and trained a group of men to live in them. When our story left off, the Navy had successfully operated a Sealab 205 feet below sea level.
Found and Explained Official on MSN
The plane that could fly underwater - Convair’s wild anti-submarine aircraft
In the early 1960s, Convair proposed a seaplane that could land on the ocean, submerge below the surface, and hunt enemy ...
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