List of inconsistencies in the Halo series

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Template:RealworldReference Tags These are the shorthand reference tags used in this article, and what they mean. (FoR) = Halo: The Fall of Reach (HtF) = Halo: The Flood (FS) = Halo: First Strike (GoO) = Halo: Ghosts of Onyx (HGN) = Halo Graphic Novel (H:CE) & (H1) = Halo: Combat Evolved (H2) = Halo 2

This list is compiled to show the various discrepancies spotted in the Halo universe. It is difficult to decide which resource is "superior" to another, so usually, the inconsistency is mentioned in the articles that it involves.

If you think you can explain an inconsistency, do so here, on the article's talk page.

There are two types of Inconsistencies: Conflicts and Discrepancies. Conflicts happen when two sources say two different things about the same object. Discrepancies occur when a seemingly impossible event happens without any explanation.

Discrepancies

Halo: The Fall of Reach

• The London: included as a mistaken reference to the UNSC Pioneer in some early editions (FoR p.74)
• Faster than light drive is referred to as a "Shaw-Fujikawa" engine (FoR p.141), and later as "Fujikawa-Shaw" (FoR p. 278)
• UNSC frigate referred to as the UNSC Alliance, and then shortly thereafter as the UNSC Allegiance (FoR p.145, 154)
• The ship UNSC Leviathan is referred to as a cruiser (FoR p.162) while it is later referred to as a carrier (FoR p.212).
• James' left/right arm fried off by a Fuel Rod Gun (FoR p.208, 210). However, he could easily have been made a flash-cloned arm afterwards.
• Pillar of Autumn missing its portside emergency thrusters, and then using them twice (FoR p.271, 292, 320)
• While riding to Reach Station Gamma, Kelly-087 tells the Chief that the Spartans are "All secure." Kelly isn't even in the Pelican at the time(says on com?) (FoR p.306)

Halo: Combat Evolved

• Main viewscreen of the Pillar of Autumn labels the as-of yet unidentified ring as "Halo" (which is not officially named till the level Truth and Reconciliation).
• Cortana says she cannot begin to calculate the pulse range of Halo just after 343 Guilty Spark finishes telling her it has a radius of 25,000 light years.
• Almost every Pelican dropship bears the marking E419 on its side, despite that each pelican has a different ID number.
• PVT Jenkins's Record View on the level 343 Guilty Spark shows the date as the 27th of May 2552 when The Maw clearly takes place on September 22. However, this could be an error with the marine's equipment.
• The pilot of the Master Chief's lifeboat is referred to as "Lieutenant" but says "Aye aye, sir" to the Master Chief even though Lieutenant is higher ranked that Master Chief. However, this could be due to the fact that nearly all UNSC personnel owe subordinate respect to the Spartans to some degree. (The Master Chief has mission command thus command of all survivors since his orders come from Fleetcom, the Lieutenant's commanders. His mission is to capture a covenant ship, and he has tactical superiority.)
• In The Maw, the main objective is to trigger a Wildcat destabilization of the Pillar of Autumn's fusion reactors. Later Cortana tells Foehammer that the engine sustained more damage than she thought because of the Wildcat destabilization. Note that this may be due to the fact that the engine decay rate was faster then Cortana originally expected and therefore theorised it must have taken damage on impact or she didn't want to admit that they were blowing up the ship and used it as an excuse.
• In Halo: The Fall of Reach, Hikowa and Dowski are female officers of the Pillar of Autumn. However, on the level Pillar of Autumn, the bridge (HQ of a ship) has no female members.
  • Similarly, William Lovell's eyes are green, but the PoA's crew has no green-eyed members.

Halo: The Flood

• Jackals and Special Ops Elites on board the Pillar of Autumn (HtF p.7, 36, 29)
• On page 38 Cortana identifies Halo but it isn't identified until the level Truth and Reconciliation.
• On page 39 the Pelicans had to wait until they were in Halo's atmosphere. Pelicans are known to be able to operate in space although this could simply be the pilots being delayed until they were in the atmosphere.
• During the Two Betrayals chapter, the Master Chief "went with the rifle and shotgun" (HtF p.281), and only a page later manages to come up "with his sidearm in his hand", though this could be because the book does not honor the 'two weapons maximum' of the Halo games. (HtF p.282).
• Sergeant Parker referred to as a he (HtF p.112) and then a she (HtF p.113).
• First Lieutenant Melissa McKay's mission clock is prefixed by an extra 1 (HtF p.127, 148) NOTE: The last time it shows her mission clock it shows D+144:38:19, while on the Master Chiefs last mission clock mention, it reads D+76:18:56. That's while he is en route to the Pillar of Autumn. It wouldn't take over 5 hours to detonate the ship, let alone 70 hours.
• An encounter with 2 Jackals ends with one bullet ridden and the other plummeting off a cliff. However, following this a Marine steps forward and summarily shoots "each Jackal in the head" (HtF p.103).
• Near the middle of the book Spec Ops elite Zuka 'Zamamee lays a trap for the MC near the Silent Cartographer, coinsiding with the game level of the same name. Afterwards he sends a grunt spy to Alpha Base who reports that MC has gone there sometime before the events of the level 343 Guilty Spark. This is impossible as from the Silent Cartographer MC goes straight to the area around the control room and then straight to the swamps of 343 GS.
• Sergeant Stacker is not mentioned in the book. He is replaced for the raid on the Truth and Reconciliation by Sergeant Parker, and for the raid on the Silent Cartographer by Gunnery Sergeant Waller. The only place where he might make in appearance is when the Chief rescued a crashed Marine squad with a Sergeant, where Stacker is normally found in the game.

Halo: First Strike

• Longsword landed in the Ascendant Justice is repeatedly referred to as a Pelican (FS p.75, 93, 95, etc.)
• Isaac is referred to as Spartan-029, even though he has already been established as Spartan-039 and Joshua is Spartan-029. This is probably a typo.
• Before sending his team on the Unyielding Hierophant, Master Chief talks about his team's sacrifice of four lives (FS: p.290), while his team actually consists of five (FS: p.287); Grace, Linda, Will, Fred, and himself, Master Chief.

Conflicts

Manual vs Books

(These discrepancies are created when material from the game manuals is inconsistent with material from the novels. Generally the game manuals; being the first ones published (and the basis ideas in which the novels are based on), are considered superior canon.)

• The Halo: Combat Evolved Manual states that the Harvest incident took place in 2520 (H:CE Manual p.4) while all other sources specify 2525 (FoR p.96)
• The Manual also states that Captain Keyes has served in the UNSC since 2526 (H:CE Manual p.8) though he was fresh out of the UNSC OCS in 2517 (FoR p.19)
• The Grunts are referred to as 5 feet tall (H:CE Manual p.10), but in The Fall of Reach they are referred to as being a meter tall (a little over 3') (FoR p.1)

Game vs Books

(These are created when the novels describe events that are not the same as what is seen in gameplay. Again the games are generally considered more canon.)

• Primary insertion group during the Truth and Reconciliation assault is made up of ODST's (HtF p.100), while in-game there are only marines.(ODST did not have armor in halo 1 that was black and had full cover helmets.) These could be separate insertions, but a singular attack is more likely.
• Halo: The Flood describes only four Scorpion tanks being retrieved from the Pillar of Autumn, which does not account for the one in Assault on the Control Room(fire team zulu was working out of alpha base so they could have been ordered to bring the tank which would account for it being near a downed dropship).
• Cortana accesses Halo's Control Center via the Master Chief removing and placing the memory chip from his helmet in the console, while in the novel she broadcasts herself into the system using the suit's transmitter.
• UNSC ships use rotating sections to simulate gravity (FoR p.274) yet no such mechanism is seen in-game. This could be accounted for if the rotating parts were inside the ship. The Pillar of Autumn may also have been using the reverse-engineered Covenant technology called Gravity Plating instead of rotating sections.
• The Pillar of Autumn's MAC cannon is depolarized and cannot fire (FoR p.337), yet the gun is apparently used, and the loss of fire control still makes headlines (H:CE, opening cinematic) Note that the subspace jump takes a few days. This means that there was a time during which the MAC could have been repaired.
• The cutscene in H1 at the end of the level "The Pillar of Autumn" clearly shows the PoA being fired upon with plasma. However in the novel, the Prophet at the ring forbids the Covenant ships to fire lest they strike the sacred relic (Htf p.6)
• Grunts love to overcharge their plasma pistols in the books (HtF p.81), yet they never do so in the games.
• In the game Master chief throws Pvt. Jenkins's Record View away but still has it in first strike. This could be explained by the Chief's suit automatically making a copy of Jenkins's recording as a possible means of gathering intelligent like today’s armed forces gather dog tags from the dead although this is only a theory.
• In The Fall of Reach, the Master Chief is mentioned as switching his MA5B to full auto, although in Halo (and as the MA5C in Halo 3), it is only capable of fully automatic fire.(FoR P.311)

Books vs Books

(These happen when information from the novels are inconsistent with information from other novels.)

• Pelican's operational maximum is listed as 12 Marines (HtF p.76), elsewhere as 3 crew, 10 seated, 5 standing (Sybex PC Guide p.66), yet elsewhere they can carry 75 children (FoR p.46), 30 Elites (HtF p.211), or 27 Spartans (FS p.27) {Note that the pelican in FS has all the unnecessary equipment removed (likely including the seats), and the spartans are more or less jam-packed into the little craft} However,it is possible that some of the Pelicans mentioned in the books were outfitted with M-779 troop carriers.
• During the battle of Reach many Covenant ships are destroyed, but not before they can loose their own lethal plasma attacks (FoR). However, later plasma en route to a target merely dissipates as the originating ship and its magnetic controls are destroyed (FS p.266).
• Halo: First Strike implies, though never implicitly states, that the Ascendant Justice is the flagship of the Fleet of Particular Justice. But the Halo Graphic Novel describes the Seeker of Truth as the flagship.
• Lieutenant Dominique is introduced as a member of the command crew of the Pillar of Autumn (FoR) then he disappears when the ship arrives at Installation 04 (HtF). It is possible that he was killed in the battle around Reach.

• Engineers are supposedly first seen by humans at Battle Of Sigma Octanus IV in 2552, however, in Ghosts Of Onyx, when Kurt is reviewing a mission of the SPARTAN-IIIs, some years prior, he sees Engineers. However this could have been kept classified due to the secrecy of the SPARTAN III program.