The Halo: Reach E3 2010 Trailer is a video released on June 14th 2010, during E3 2010. Set in the same level as the Halo: Reach E3 Campaign Demo, the trailer showcases a part of the Halo: Reach campaign level Long Night of Solace and introduces the space combat element in the game. It is one minute and fifty-four seconds long.
The trailer begins with a view of a UH-144 Falcon loading off Jorge-052, Catherine-B320, Carter-A259 and SPARTAN-B312 to a beach near a UNSC base. It shows the feature of team co-operation in campaign, and several scenes of combat between Covenant Sangheili. It also shows the new assassination feature which is performing a melee attack or stabbing the opponent with a Combat Knife, and the new feature of space combat in a Sabre.