Lt. Cmdr. Nicole Emmons, U.S. Coast Guard Marine Board of Investigation technical advisor, center right, speaks with board members, Wednesday, Sept. 25, 2024, at the U.S. Coast Guard Marine Board of Investigation hearing into the June 2023 loss of the Titan submersible, in North Charleston, S.C. (Petty Officer 2nd Class Kate Kilroy/U.S. Coast Guard via AP, Pool)