James Cameron, Bob Ballard discuss Titan submersible's 'catastrophic implosion' | Nightline
ABC News Exclusive: Director James Cameron weighs in on Titanic sub incident
'Titanic' filmmaker James Cameron calls out 'three potential failure points' on Titan submersible
Titanic sub lost in ‘catastrophic implosion’
'There is no excuse for what happened here': Director James Cameron on Titanic sub tragedy
Titanic expert Bob Ballard reacts to 'catastrophic implosion' of missing submersible
Titanic expert Bob Ballard reacts to 'catastrophic implosion' of missing submersible
OceanGate co-founder defends research value of expeditions to Titanic following loss of Titan sub
Titanic submersible: Coast Guard gives update on missing Titanic tourist sub
Titan sub debris brought ashore
