⚓ The Aqualung ⚓

RV Calypso

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              The Most Famous Research Vessel

Calypso Facts

• Originally a British Royal Navy minesweeper (J-826), launched in 1942
• Converted to a research vessel and exploration ship in 1950
• Named after the sea nymph in Homer's Odyssey who enchanted Odysseus
• Featured an underwater observation chamber in the bow (the 'false nose')
• Equipped with helicopter platform, diving bell, and mini-submarines
• Traveled over one million nautical miles during her career
• Sank in Singapore harbor in 1996 after being rammed by a barge
• Currently under restoration, intended for display as a museum
• The ship that brought the ocean into the living rooms of millions
• Her distinctive red hull became an icon of ocean exploration

The Ship's History

Born as a British minesweeper in 1942, BYMS-26 (later HMS J-826) served in the Mediterranean during World War II. After the war, she was sold and eventually came to the attention of Cousteau.

In 1950, Irish millionaire and Guinness heir Loel Guinness leased the ship to Cousteau for one symbolic franc per year. Cousteau and his team converted her into a floating laboratory, adding an underwater observation chamber, diving platforms, and research equipment.

For the next 46 years, Calypso sailed the world—Mediterranean, Red Sea, Indian Ocean, Antarctic, Amazon River, Pacific—becoming the most recognized research vessel in history.

The False Nose

Calypso's most distinctive feature was her underwater observation chamber, nicknamed "the false nose." Positioned at the bow below the waterline, this glass-windowed room allowed observers to watch marine life without disturbing it—a swimming window into the sea.