Star Wars: The Old Republic E3 2011 Eternity Vault trailer

Another new trailer from Bioware and this time it shows the Eternity Vault.
The Eternity Vault is one of the ‘Operations’, or raids in other MMO terms. The Eternity Vault is descibed as follows:
A terrible threat has been uncovered on the ice world of Belsavis; a danger so grave that it could make the conflict between the Republic and the Empire irrelevant. Groups of heroes must band together to venture into the ancient and deadly Eternity Vault—where an enemy older than both the Republic and the Empire has been contained… until now