In Greyhound (2020), from Fletcher-class destroyer, Commander Ernest commands Taker & Helmsman to intercept German U-boat, which was following 37 Allied ships, which are making its way to Liverpool:
Taker: Contact bearing 066, range indefinite, sir.
Commander Ernest: Left hard rudder. Ease the rudder.
Helmsman: Easing the turn. Aye, aye, sir.
Commander Ernest: Meet her.
Helmsman: Aye, aye, sir. Holding course.
What does "her" refer to?