Operation F: Hydra
From Halopedia, the Halo wiki
Operation F: Hydra is the sixth operation of Halo: Spartan Assault. It will be released on August 29, 2013, in the form of free DLC for the game. Adding five new missions, it focuses on Sarah Palmer embarking on a mission to the core of X50 to discover the source of an alien signal.
The download includes support for Xbox 360 controllers to be used for the game.[1]
