Lost WWI submarine captured in never-before-seen images off the California coast The USS F-1 was lost at sea in December of 1917 following a collision with another vessel The Independent UK · May 23, 2025
American submarine, lost for over a century, discovered 'remarkably intact' off the coast of San Diego A submarine that sank over 100 years ago during WWI has been surveyed off the coast of San Diego. LiveScience · May 23, 2025