Corrected entry: During the bar scene (at the Moor Bar)...Cuba Gooding and Robert DeNiro challenge each other to holding their breaths in Mark V diving helmets filled with water. The Mark V diving helmet is not designed to hold water in like that. The water being put into the helmet would rush out all over their shoulders. You would need a neck-dam to accomplish that feat. Mark V's were never made with one. Only the newer helmets such as the Miller, the Superlite 17 or the Superlite 27's have them.
Grumpy Scot
27th Aug 2001
Correction: Yes, but they didn't run back to the base and grab helmets, they were already at the bar. Obviously it's a bar frequented by divers and the helmets have been modified for this contest.
Grumpy Scot