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In 1969 off the California coast, a US Navy crane carefully lowered a massive tubular structure into the waters. An audacious feat of engineering — a pressurized underwater habitat, designed for an elite group of divers to spend days or even months at a stretch living and working on the ocean floor. The little-known story of the daring program that tested the limits of human endurance.
Discover how WWI transformed America through the stories of those whose participation in the war to “make the world safe for democracy” has been largely forgotten.
