After Rogers goes down the ladder to inform the Officers about disembarking, he no longer has his hat on, because it is now in his back right pocket, sailors will at times take their hats off when entering the passage ways. It's just not shown in the movie. See more
When Norman Fell's character (Drewitch) is in the PT engine room during the rescue of U.S. soldiers from the beach (about 50 minutes in), PT 109 is receiving Japanese shore fire on its port (left) side. But Drewitch is wounded by a projectile that pierces the boat from the starboard (right) side. See more
You might as well face it, Commander. The 109's gone.
Cmdr. C.R. Ritchie
Just a minute, you! You think I worry too much about those boats, don't you? No, but that's what you're thinking, and so are a lot of other people around here. Well, let me tell you something, mister - I worry about those boats, yes, and for one reason. Those boats have a deck on them, and men stand on those decks. That's why I won't give up the 109. She had men on her deck. I don't want the deck back, I want the men that were standing on it...