Rescuers boost efforts as clock ticks to find lost Titanic sub
Specialized deep-sea vessels and US Navy experts joined the search for a missing tourist submersible near the Titanic wreck as oxygen supply for the five passengers dwindled.
Rescue efforts intensified as concerns about the submersible’s design and safety were raised, while the estimated time left for oxygen was less than two days. The unified team of rescuers worked tirelessly to deploy assets and expertise in a complex search operation.