The National Transportation Safety Board (NTSB) announced yesterday that it would launch a second expedition to search for evidence in its investigation of the loss of the cargo ship El Faro, which sank in the Atlantic during a hurricane on October 1, 2015.

The National Transportation Safety Board (NTSB) says it has completed the video documentation of the cargo ship El Faro and the associated debris field, but the vessel’s voyage data recorder has not been located.

After the discovery over the weekend of a 225-square-mile debris field containing the remains the cargo ship El Fargo, the U.S. Coast Guard said it will continue to search for survivors.