FILE-The Titan launch barge is moved to the Coast Guard yard at port in St. John's, Newfoundland in this June 24, 2023, file photo. The deadly implosion of an experimental submersible en route to the deep-sea grave of the Titanic last June has not dulled the desire for deep-sea exploration. Tuesday, June 18, 2024, marks one year since the Titan vanished on its way to the historic wreckage site. (Adrian Wyld/The Canadian Press via AP, file)