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There is a page named "Grumman/Piccard PX-15" on Wikipedia
before the Apollo 11 launch, the Ben Franklin, also known as the Grumman/Piccard PX-15 mesoscaphe, was towed to the high-velocity center of the Gulf Stream...14 KB (1,438 words) - 00:27, 26 July 2024
as the Grumman/Piccard PX-15, is a crewed underwater submersible, built in 1968. It was the brainchild of explorer and inventor Jacques Piccard. The research...6 KB (574 words) - 17:13, 2 April 2024
