For 70 years, the sudden sinking of the mighty British ship Britannic - larger than the sister ship Titanic - has been shrouded in mystery. Jacques Cousteau reveals the full story of November 21, 1916 when, on her sixth journey as a hospital ship, Britannic exploded and sank into the Aegean Sea.

Cast:Jacques-Yves Cousteau, Pierre Cabarou, Raymond Coll, Albert Falco, Sheila Macbeth Mitchell, William H. Tantum IV,

Genre:Documentary,

country:United States of America,

Production:PBS,