Ralph White/Getty Images(NEW YORK) -- After days of desperate searches throughout the Atlantic Ocean, the U.S. Coast Guard announced Thursday that the five passengers aboard the missing submersible vessel were killed when vessel suffered a catastrophic implosion. Stockton Rush, Shahzada Dawood, his son Suleman Dawood, Hamish Harding and Paul-Henri Nargeolet were inside the vessel that embarked on the deep-dive tour, according to OceanGate, the company that operated the submersible. Their families were notified after debris of the vessel was found on the ocean floor, according to the Coast Guar...