@Basking Ridge - I am one of those pre BC (Buoyancy Compensator, not Before Christ) divers. In a lot of the early James Bond films (Thunderball comes to mind) they weren't wearing BC's either. The internet wasn't around then, but if it had been I am sure there would have been many heated discussions along the lines of "Who needs those stupid new fangled things! Just something more to go wrong and be in the way...."