RedactedNarrative: UNIT 1 WAS PREPARING TO DOCK ON THE INSIDE OF THE IOP MARINA DOCK.  UNIT 2 WAS DOCKED ON THE PRIVATE DOCKS.  WHILE APPROACHING THE DOCK, UNIT 1 MADE A STARBOARD TURN WHEN THE PORT QUARTER OF UNIT 1 STRUCK THE STARBOARD QUARTER OF UNIT 2.