Halo: Reach E3 2010 Trailer

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, along with the new assassination mechanic. It is one minute and fifty-four seconds long.

Trailer summary
The trailer begins with a view of a UH-144 Falcon loading off Jorge-052, Kat-B320, Carter-A259 and SPARTAN-B312 to a beach near a UNSC base. It then shows the progression of Noble Team as they move into the Sabre launch facility. It also shows the new assassination feature, where Noble Six comes up behind an Elite and stabs him from behind with a combat knife. The Armor Lock feature is shown, where Noble Six uses the Armor Ability to destroy a Ghost as it charges him. After this, several different styles of assassination are depicted. The trailer then shows Noble Six and Jorge-052 launching the Sabre from the facility and entering a space battle over Reach, marking the first appearance of playable space combat in any Halo game.

Trivia
This trailer includes alternate combat scenes that do not exist in the final level, including the depiction of a Ghost attacking the player, and UNSC infantry fighting on the approach to the structure.