"From what I gather there is a new vehicle being planned - an...

"From what I gather there is a new vehicle being planned - an underwater 'boat' that uses a great deal of battery power - pretty hush hush but I think its going to be called a 'submarine'. "

Yeah right, next thing you will tell is that they will make a machine that weighs 300 plus ton on the ground and that can take off and fly through the sky.

LOL I recall in primary school telling the kids in the class that just off the beach from were we lived in Africa there was a ship make of concrete/cement, they didn't believe me concrete/cement can't float they said but hey they were 9-10 year olds