The Hog Wild expansion is expected to release later today. As all Halo updates, the expansion features a lot of new content. This is the second free Halo 5: Guardians expansion. Previously, 343 Industries has shipped out the Memories of Reach expansion for free. The most interesting content in this expansion is new Warthogs, additional armor sets, and a hybrid weapon scope. Of course, this is not the full list of the additions. Please, proceed to the official news to know more on the update.