Ghosts of the Abyss Easter Egg - Behind the Scenes

On Disc 2 (Special Features disc) of "Ghosts of the Abyss", highlight the first menu entry "Reflections from the Deep." With this entry highlighted, press LEFT on the controller. This will highlight the two dials on the telegraph machine in the background. Press enter to select the egg. This egg features behind the scenes footage of the crew. At the end, it says the footage is from "Goats of the Abyss."