Nearly 15 months after Titan submersible began its doomed descent to the bottom of the ocean, the U.S. Coast Guard will begin its first public hearings as part of its investigation to uncover what caused the vessel to implode on its way to the Titanic wreckage. NBC’s Stephanie Gosk reports for TODAY.  » Subscribe to TODAY: youtube.com/@TODAY About: TODAY brings you the latest headlines and expert tips on money, health and parenting. We wake up every morning to give you and your family all you need to start your day. If it matters to you, it matters to us. We are in the people business. Subscribe to our channel for exclusive TODAY archival footage & our original web series. Connect with TODAY Online! Visit TODAY's Website: today.com Find TODAY on Facebook: facebook.com/today Follow TODAY on Twitter: twitter.com/TODAYshow Follow TODAY on Instagram: instagram.com/todayshow » Stream TODAY All Day: today.com/allday Ab...