The strange-looking vessel was called a bathyscaphe, or “deep ship.” There was just enough room in its 7-foot crew sphere for two people. Most of the vessel was huge tanks of lighter-than-water ...

NATIONAL RECONNAISSANCE OFFICE Much of the recovered Hexagon spy satellite film disintegrated as it was lifted from the ocean. What followed was the deepest underwater salvage operation ever mounted ...

Trieste is the largest combat vessel delivered to the Italian Navy since World War II. On Dec. 7, 2024, the Italian Navy commissioned its new Landing Helicopter Dock (LHD) Trieste, the largest combat ...

The invention of syntactic foam, a buoyant material made of tiny air-filled glass beads embedded in plastic, spelled the end of the bathyscaphe and its dangerous, fragile gasoline balloon. Trieste II ...