Where is chief in this video at 3:43?

Link: http://www.youtube.com/watch?v=f6UL63Zo-uo

After the desert scene of chief shooting, we see two pics of chief in what looks like nightfall from reach. Where is he?

We’ll be alright - Master Chief

I don’t really know what you’re expecting people to say. Obviously it’s somewhere dark/at night. That’s all we could possibly know.

Soooo you see a dark sky and a big rock in the background and its automatically the same place Noble team was at? well you sir are a fa- no just kidding but in all seriousness eben gibon king is right. i don’t understand what your getting at here with this. hes in a unknown location where its dark. That’s it… Nothing more… At all… Ever…

John in an assault on a Flood-infested facility on Installation 03 to rescue the Librarian.

I’m gonna take a guess and say in that Forerunner planet thingy somewhere.