Titanic's Tragic Twin

Titanic's Tragic Twin

Available on CuriosityStream, Prime Video
Incredibly, RMS Titanic had a sister ship, the Britannic, that suffered a near identical fate. In the wake of the Titanic disaster, the Britannic was re-engineered and strengthened. And yet, she sank in just 55 minutes – 3 times faster than Titanic. How did this happen? Was it avoidable?