Where does Halo Wars take place?

[justin w]

Halo Wars takes place 20 years prior to the first Halo, but I wonder, where does majority of it take place? Is it a missing chapter, like covering events from the books or what?

 

[Ownage]

what i heard was that it takes place on earth

 

[bingostar826]

i think is mixes with the books n such... which are a good read if you havent already