Lt. Cmdr. Nicole Emmons, left, and Lt. Cmdr. Katie Williams, U.S. Coast Guard Marine Board of Investigation (MBI) technical advisors, take notes while on recess at the Titan submersible hearing in North Charleston, S.C., on Sept. 27, 2024. The hearing examines all aspects of the loss of the Titan, including pre-accident historical events, regulatory compliance, crewmember duties and qualifications, mechanical and structural systems, emergency response and the submersible industry. (U.S. Coast Guard photo by Petty Officer 2nd Class Kate Kilroy)