When Parker's dive suit inflates and he is floating, Virgil and Gruber enter the water to rescue him. The water's depth reaches each man's chest and wets their clothes. However, immediately afterward while in the base, their clothes are completely dry.
During the final chase scene a boy falls overboard. An Ensign dives overboard to save him while wearing a life vest. The boat chase is at high speed exceeding 30 knots towards an island. The man and the boy beat the high speed boat to shore while swimming.
In the Medal Ceremony at the end of the movie, Lt. Penelope Carpenter uniform is incorrect, in fact, does not exist in its shown form. She would be wearing a dress shirt with a black tie with full sided decorations