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submarine

Submarines

CONTENTS

How Ballast Helps A Submarine Float, Dive, Swim and Surface
How Ballast Helps A Submarine "Float, Dive, Swim and Surface"

Alvin
Alvin
is the name of a 3-person research submersible capable of taking scientists and observers 14,764 feet (almost 3 miles) below the surface of the ocean. Since its launch in 1964, Alvin has made over 4,400 dives, carrying two scientists/observers and one pilot per dive. Research conducted by Alvin has been featured in nearly 2,000 scientific papers.

Trieste
Trieste
Designed by record-setting balloonist Auguste Piccard, the Trieste became the first manned vessel to ever reach the bottom of Challenger Deep (a depth of 35,800 feet) on January 23, 1960. One of the members of the two-man crew was Jacques Piccard, son of Auguste.

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