1. Some Japanese mini-subs reached US territory in 1941 (Pearl Harbor). 2. One Japanese submarine shelled Santa Barbara California with it's deck gun. 3. One Japanese submarine launched an airplane which bombed Brookings, Oregon.
a Japanese i class submarine
No japan did not have a submarine that could launch aircraft.
From the very beginning. IJN subs were prowling the US west coast and launched submarine airplanes which bombed Oregon, and fired shells from their deck guns into Santa Barbara California.
Virginia class submarine
No a submarine is a machine not a fish a sailfish is the fastest fish in the world
David Bushnell launched what is regarded as the world's first submarine.
Guanahani island was the first land in the New World seen and visited by Christopher Columbus. It was first sighted on October 12, 1492.
The world's first atomic powered submarine was the USS Nautilus.
Ask the submarine. The King