Despite the knowledge that the sub had imploded, the US Coast Guard persisted with the search and rescue mission of the Titan submersible, which had embarked on a mission to explore the remnants of the RMS Titanic.
An expert has now come forward to shed light on the reasoning behind this decision.
The US Navy's acoustic system detected an 'anomaly' in the area where the sub had dived shortly after losing contact with its mothership.
