AI Modified Image On June 4, 2026, a small open basket lifted off a field in Presque Isle, Maine, carrying three balloonists and a single sealed envelope of hydrogen gas. Seventy hours and eleven minutes later, the Atlantic Explorer touched down near Tandel, Luxembourg, having covered 2,852 nautical miles and become the first crewed balloon in history to cross an ocean using hydrogen as its sole source of lift (Federation Aeronautique Internationale, 2026; Dixit, 2026). Aboar
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