Coast Guard personnel are responding to a vessel allision near the Poland Avenue Wharf at mile marker 92 on the Mississippi River. The motor vessel Genmar Constantine, a 757-ft. Liberian-flagged tanker carrying crude oil, allided with the USNS Cape Kennedy, a Naval cargo ship at approximately 7 a.m today.A Coast Guard 41-ft. rescue boat from Station New Orleans, an HH-65 Dolphin rescue helicopter crew from Air Station New Orleans, and personnel from Marine Safety Office New Orleans are responding to the accident. The Cape Kennedy was moored beside the USNS Cape Knox near the Marine Forces Reserve building at the time of the accident. The Genmar Constantine was moored to the Cape Kennedy shortly after the accident. The river is open to vessel traffic.