Halo 5 - Promo Game Trailer

This is the First Teaser Trailer to Halo 5 that is to be released on the Xbox one, in this Trailer it shows Master Chief - John 117 in the desert hooded with a ship coming from the sand shape like a kind of bird, with a necklace in his hand that is said to be mysterious data chip that it said could be a big part of the story to Halo 5.

Halo 4 Game - Launch Trailer, Prologue Trailer

This is the Halo 4 Launch Trailer and also The Prologue Trailer.
  Spartans never die !