Afterward, we gathered for a debrief, during which I simply asked, “What happened? The chief briefed the procedure.” My flashlight was pointing at one of the planesmen, who hadn’t responded properly when we simulated a stuck depth gauge. “Captain, no one listens to those briefings.” “What do you mean?” “Well, you come on watch, sit in the chair, and when the chief starts reading from the book, you’re thinking, ‘I already know how to do this,’ so you don’t listen too hard.”