[ansel12]

Wow, this is some obscure, very interesting history.

Man, way to go, thanks.

I had a martial arts friend that was into under water fighting, and although I was a ex-land based soldier (this was the 1970s) I had never even thought of what it took to defeat someone under water, at that time. I was impressed by him (after he convinced me it existed) and I will look at this.

[Elle Bee]

let someone drag you down about 60 feet in a darkened dive tower and then pull your mask and regulator off

just to get used to fighting without panic

puts a lot of everyday life into perspective

.