UNIT 1 & 2 WERE IN THE BACK OF THE COVE. UNIT 1 SPED UP IN FRONT OF UNIT 2 AND THEN CAME TO A STOP. UNIT 2 THEN SPED UP OUT OF THE COVE AND T-BONED INTO UNIT 1s left side. unit 2 ran up onto the left side of unit 1, causing leg to get cut in the choke knob of unit 1