RedactedNarrative: UNIT 1 WAS DOCKED WHEN UNIT 2 WAS DEPARTING THE MARINA.  UNIT 2 GOT CAUGHT IN THE CURRENT AND WIND AND THE STARBOARD STERN OF UNIT 2 STRUCK THE STERN OF UNIT 1.  UNIT 2 ATTEMPTED TO RECOVER WITH BOW THRUSTERS BUT THE CURRENT WAS TOO STRONG.  UNIT 2 STRUCK UNIT 1 AGAIN.