Sub missing at Titanic wreck site: Boston-based Coast Guard admiral coordinating search

U.S. Coast Guard officials in Boston are helping to coordinate the search for a submersible that went missing Sunday morning during a dive to bring five people deep beneath the Atlantic Ocean to view the wreckage of the Titanic. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/