RedactedNarrative: VESSEL 2 STOPPED IN THE RIVER AND WAS FLOATING. VESSEL 1 WAS TRAVELING NORTH AND RAN INTO THE REAR OF VESSEL 2 HITTING THE OPERATOR KNOCKING HIM OFF INTO THE WATER. OPERATOR OIF VESSEL 2 FLOATED IN THE WATER UNTIL RESCUED. OPERATOR OF VESSEL 2 COMPLAINED OF LOWER LEFT BACK PAIN, IP PAIN AND NUMBNESS IN LEFT LEG. HE WAS TRANSPORTED TO WARMC, LOCAL HOSPITAL.