Titanic submersible: Coast Guard gives update on missing Titanic tourist sub
'Debris field' discovered within search area of missing submersible near Titanic wreck
Titanic expert Bob Ballard reacts to 'catastrophic implosion' of missing submersible
Titanic submersible: US Coast Guard briefs on missing sub with five believed to be aboard | ABCNL
'Debris field' discovered within search area of missing submersible near Titanic wreck
Titanic expert Bob Ballard reacts to 'catastrophic implosion' of missing submersible
Titanic submersible: US Coast Guard briefs on missing sub with five believed to be aboard | ABCNL
Titanic submersible: Coast Guard commander talks search for missing sub l GMA
Titanic submersible: additional deepwater equipment being sent for missing sub search | ABCNL
Titanic submersible: search for missing tourist sub reaches critical stage
