Editing Halo 3 E3 2007 Trailer

The video begins with various images of [[Kez'katu-pattern Phantom|Phantom]] dropships unloading [[Jiralhanae|Brute]] forces who brutalize human [[UNSC Marine Corps|Marines]], as well as [[Covenant Empire|Covenant]] {{Pattern|Ket|battlecruiser}}s and [[CAS-class assault carrier|assault carriers]] [[glassing]] [[Earth]]. It is narrated by the [[Prophet of Truth]] speaking for the Covenant, mocking the humans' attempts to defend the world. The movie cuts to the [[John-117|Master Chief]], and continues on with nothing but a dramatic new rendition of the Halo theme (on the ''Halo 3'' Original Soundtrack, it is titled "One Final Effort") and showing the Master Chief and the [[Thel 'Vadam|Arbiter]] battling through various Earth areas, against Phantoms and a new [[Deutoros-pattern Scarab|Scarab]]. It features [[Yanme'e]], [[Jiralhanae]], [[Mgalekgolo]], [[Unggoy]] and [[Sangheili]]. as well as a brief glimpse at a [[Kig-yar]] engaged in combat, as well as a glimpse of the new HUD system, which contains several new components.

The video also features the apparent revelation that [[Kez'katu-pattern Phantom|Phantom]]s will be destructible, and able to be shot down in the campaign. It also features all new [[Deutoros-pattern Scarab|Scarab]] walkers, much more heavily armed and armored than those that have appeared before.

The next sequence is from the cinematic at the end of [[Floodgate]] the game. From 0:21 to 0:26 two Covenant separatist {{Pattern|Ket|battlecruiser}}s [[glassing]] [[Voi]] to prevent the [[The Flood|Flood]] on [[Earth]] from spreading. A lone Phantom dropship is shown  flying away from the far cruiser.

At 0:47, Master Chief is fighting a Chieftain in the UNSC base. The Brute swings a [[Gravity hammer (fiction)|Gravity Hammer]]. The view switches to first person and Master Chief kills it with a Shotgun.  

At 0:49, a fourth type of grenade can be seen carried by Master Chief. It has now been confirmed as the Brute [[Orgudam Workshop firebomb|Firebomb]] Grenade.

At 0:53, the Master Chief is seen throwing a [[Anskum-pattern plasma grenade|Plasma Grenade]] onto a Brute. Behind the squad of Brutes are two [[Deployable Cover]]s set up beside each other.

At 1:04, [[Miranda Keyes|Commander Miranda Keyes]] can be seen dual wielding the [[M6G2 magnum|M6G Pistol]] in her right hand and the [[M90 Close Assault Weapon System|M90 Shotgun]] in her left.

At 1:11, a [[Jiralhanae Chieftain|Chieftain]] is seen running towards the camera in a factory while armed with a [[Gravity hammer (fiction)|Gravity Hammer]].

At 1:14, the Master Chief is shown boarding a [[Barukaza Workshop Chopper|Brute Chopper]].  

1:17-1:18 show a close-up of the Master Chief firing the M6G Pistol. It then switches to a first person view of a series of plasma grenade explosions.  

At 1:37, the [[Barukaza Workshop Chopper|Brute Chopper]] is shown, driven by the Master Chief.  

At 1:40, Master Chief, shoves a marine out of the way as he jumps at the Arbiter and points an M6G magnum up under his jaw. This is the cutscene from the first time that they meet in ''Halo 3'', and takes place on the [[Sierra 117|first level]] ).  

At 1:42, the new [[Deutoros-pattern Scarab|Scarab]] is shown. It is now lower to the ground, and has two cannons. The next few seconds show Master Chief assaulting the Scarab. At 1:44, the Arbiter is seen carrying a  [[Pek-pattern plasma cannon|plasma cannon]]. At 1:45, Bungie gives away how to destroy a Scarab in Halo 3, as at this point Master Chief destroys an X-shaped power core in the middle of the Scarab and the Scarab explodes bright blue in spectacular fashion. As it is detonating in the top left corner appear a number of aircraft one of which is a [[AV-14 Hornet|Hornets]], the [[united Nations Space Command|human]] counterpart to the Banshee.