UNIT 1 WAS TRAVELING SOUTH ON THE ICW, UNIT 2 WAS TRAVELING EAST ON THE NORTH SANTEE RIVER. UNIT 2 ONLY HAD A WHITE BOW LIGHT . UNIT 1 SAW THAT A COLLISION WAS GOING TO HAPPEN SO HE TURNED TO PORT. UNIT 2 AT THAT TIME TURNED TO STARBOARD TO AVOID A T-BONE COLLISION. THIS RESULTED IN A SIDE GLANCE COLLISION ON UNIT 1 STARBOARD SIDE. UNIT 2 REFUSED TO GIVE ANY PERSONAL INFO AND WAS UNABLE TO BE CONTACTED.