Plot hole: At the start, we see the destroyer in the middle of a storm at night. In one of the shots of the boat, the bridge is all lit up like a Christmas tree. If that were the case, then anyone on the bridge wouldn't be able to see anything outside as they'll be blinded by the light. (00:00:20)






Chosen answer: "Policing your brass", means to pick up your expended shell casings, after firing your rifle, or pistol.
pross79