BERMAN: This morning, new questions swirling around the collision that left seven U.S. sailors dead. We have learned the identity of those lost on the USS Fitzgerald. What is not known is how or why the destroyer, equipped with every modern navigation technology, crashed with a huge cargo ship in a busy waterway. CNN's Alexandra Field live from Japan where The Fitzgerald was towed. Alexandra, what are we learning about the victims?</s>ALEXANDRA FIELD, CNN CORRESPONDENT: Well, John, these seven sailors and the rest of the crew numbering in the hundreds were headed out to the waters off the Coast of Japan on what should have been a routine operation. Instead, the USS Fitzgerald, that guided missile destroyer, returned here to the port battered. It's starboard side completely smashed in. The ship haven taken on water. Seven of its sailors found trapped inside. There had been an extensive search when it seemed that members of the crew were missing following a collision with a container ship. Divers then went down into the ship. They found flooded sleeping compartments. That's where they say they discovered seven victims of the crash. These sailors are all U.S. servicemen who were sent here to Japan on two or three year tours of duty. They come from all across the United States. From Maryland all the way to California. The youngest victim, just 19 years old. The oldest, 37 years old. This is a crash that happened in the early morning hours on Saturday morning local time here in Japan. It is not clear to investigators why this crash happened, but that ship did sustain severe damage. So much flooding in the sleeping compartment where many of the sailors were still asleep. The Navy has ordered an investigation into the cause of the crash. The Coast Guard also leading an investigation into the casualties. Certainly looking into the kinds of answers that seven families in the U.S. are craving today. John.</s>BERMAN: Those lost, a cross-section of America truly and our thoughts go to those families. Alexandra Field in Japan, thanks so much. London on edge after an attack overnight. We are following all the latest developments. Stay with us.
USS Fitzgerald Collision. Identified Sailors Killed.