Lots of good pictures.
Excerpt: The vessel was made as part of the same project that created the Titanic and became a naval hospital ship for British forces in WWI. It hit a sea mine in the Aegean off the coast of Greek Island Kea in 1916 and within an hour was at the bottom of the sea. Thirty people on board were killed. ...
Notes:
Larger than the Titanic, after that sister-ship sunk the hull was redesigned. it was never used for commercial transport.
