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Jason Neubauer, board chairman, of the investigative board for the Titan marine board formal hearing pauses for a moment of silence inside the Charleston County Council Chambers Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
Coast Guard's Thomas Whalen, left, speaks with Nicole Emmons, right, during a break for the Titan marine board formal hearing inside the Charleston County Council Chambers, Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
Tym Catterson, second from right, a contractor for OceanGate, talks to family members from the Titan tragedy after his testimony ended in a Coast Guard investigatory hearing on the causes of the implosion of an experimental submersible headed for the wreck of the Titanic, Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
Coast Guard members of the investigative board for the Titan marine board formal hearing pause for a moment of silence inside the Charleston County Council Chambers Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
FILE - Debris from the Titan submersible, recovered from the ocean floor near the wreck of the Titanic, is unloaded from the ship Horizon Arctic at the Canadian Coast Guard pier in St. John's, Newfoundland, June 28, 2023. (Paul Daly/The Canadian Press via AP, File)
Coast Guard's Thomas Whalen speaks with another Coast Guard member during a break for the Titan marine board formal hearing inside the Charleston County Council Chambers, Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
Coast Guard members of the investigative board for the Titan marine board formal hearing take an oath inside the Charleston County Council Chambers Monday, Sept. 16, 2024, in North Charleston, S.C. (AP Photo/Mic Smith)
This image taken from a livestream video, provided by the United States Coast Guard, shows OceanGate's former engineering director Tony Nissen (inset at left), testifying regarding the Titan submersible failure before the U.S.C.G. Marine Board of Investigation, as file photos of the sub are displayed, Monday Sept. 16, 2024, in North Charleston, South Carolina. (United States Coast Guard via AP)