The , the third and largest of the White Star Line 's Olympic-class ocean liners and sister ship to the Titanic , was a hospital ship that sank on November 21, 1916 . Despite significant safety improvements following the Titanic disaster, the ship sank in the Aegean Sea after striking a German mine. Incident Overview

HMHS Britannic (Kea Island, Greece — 385 fsw) - Wrecked in my rEvo

: It sank in approximately 55 minutes , much faster than the Titanic, despite having advanced safety features like a double hull and higher bulkheads.