FDR Addresses Nation, the Lesson From the Sinking of the Squalus Pt 3

Ships at sea as seen from a plane / a rescue ship at sea / sailors boarding a rescue ship, exiting a diving bell / sunken ship Squalus being raised from the ocean / US Holland ship with submarines / view of submarines from the ship's deck / submarine rising from the water / front of the submarine cutting the water / Japanese flags waving from a ship's mast / Japanese warships at sea / sailor sitting at submarine controls / a torpedo hitting the water / ship burning at sea / soldiers swimming from sunken ship / rescued sailors carrying a body on a stretcher past officers and photographers / wreckage of a sunken ship / ships at sea, aerial view.