Spartans currently looking for a new challenge in Halo 4 will need look no further than their Xbox 360s today because the latest set of Spartan Ops episodic missions is now available!

Here’s what you’re in for with Spartan Ops: Episode 8 – Key:

“ONI has ordered Doctor Halsey assassinated, and Sarah Palmer is slated to pull the trigger. Lasky, in an effort to save Halsey’s life, sends Fireteam Majestic to stop Palmer.”

To get yourself ready, here’s last week’s CG teaser trailer for the new content, with a collection of stills from the video for you to savour below:

Halo 4 – Spartan Ops Episode 9 Trailer: Key

Will you be playing Episode 9 of Spartan Ops tonight?

Tags: 343industries, dlc, halo4, microsoft, screenshots, trailer