Plot hole: The radar operator reports a bogey at 15,000 yards, without, at first, giving a bearing, yet everyone on the bridge immediately looks to the starboard bow.
Up Periscope (1959)
1 plot hole - chronological order
Directed by: Gordon Douglas
Starring: James Garner, Edmond O'Brien, Alan Hale Jr., Andra Martin
Factual error: Following the crash dive where the XO gets killed, the captain orders the helmsman, "Steady on 090." However, this will take the sub back to Pearl Harbor, instead of westward toward the target island.
Lt. J.g. Kenneth M. Braden: How come they call you Weary?
Weary: That's my name.
Lt. J.g. Kenneth M. Braden: Nickname?
Weary: No, sir, my real name. I'm the youngest of 13 children. I guess when I was born, my mother couldn't think of another name.