When we think of Ottoman seafaring, we think of Preveza, of Barbarossa, of the blue expanse of the Mediterranean. Yet the empire's most distant and least-told naval struggle was fought far to the south, in the warm waters of the Indian Ocean.
With Egypt's incorporation in 1517, the empire's reach extended into the Red Sea and the Indian Ocean. The Portuguese, who had already rounded the Cape of Good Hope, were a threatening force. One admiral's final voyage would carry him not to Istanbul, but to the gallows.