Submariners As Inner Space "Sailors"

Definition: inner space - the environment existing beneath the surface of the sea; area beneath the surface of the sea.

To appreciate our future, we must appreciate our past and know our present. Note the surprising title ( On Submarine Navigation and Attack ) of Robert Fulton's 1806 manuscript. source and more.

Fulton's cigar-shaped Nautilus was hand-cranked when submerged, and had a kite-like sail for surface propulsion. Nautilus also carried flasks of compressed air so its two-man crew might remain submerged up to five hours.

For submariners who also sail ("red sky in the morning, sailor take warning"), how about this stunning wave cloud over the southern Indian Ocean? source NASA satellite photo, and more meterological enlightenment.