Editing List of rectified inconsistencies in the Halo series

{{Status|RealWorld}}
{{Quote|Catalog's answers are correct as of time of [publication], but users should be aware that [[Slipstream space#Reconciliation|reconciliation]] effects and integrity checks may alter specifics at a later time.|[[Catalog]]<ref>[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/catalog-interaction/4c3e1c6f-6519-4ee0-83a4-4bac13bf07a3/posts?page=1 '''Halo Waypoint''': ''Catalog Interaction'' (post 2961508)]</ref>}}

This page lists [[List of inconsistencies in the Halo series|internal inconsistencies and canonical conflicts]] that have since been resolved in the ''Halo'' series whether from reprints or external sources.

==''Halo: The Fall of Reach''==
{{Main|Halo: The Fall of Reach}}

There are two reissued editions of ''The Fall of Reach''; the first one, released on August 3, 2010, retained many of the errors present in the original printing while spawning some new ones of its own, prompting Tor Books to publish an additional "Definitive Edition" with further revisions on June 28, 2011.<ref>[http://www.amazon.com/Halo-Fall-Reach-Eric-Nylund/dp/0765367297/ref=tmm_mmp_title_0?ie=UTF8&qid=1315400359&sr=8-1 '''Amazon.com''' - ''Halo: The Fall of Reach Definitive Edition'']</ref>

*The dropship used to transport the 75 [[SPARTAN-II]] trainees to the [[Military Wilderness Training Preserve]] in Chapter 5 was originally identified as a [[D77-TC Pelican|Pelican]], whose troop bay would be too small for 75 people. In the reissue the dropship is replaced with the larger [[D96-TCE Albatross|Albatross]], a change that was carried over into the [[Halo: Fall of Reach|comic]] and [[Halo: The Fall of Reach - The Animated Series|animated adaptations]].<ref>'''Halo: The Fall of Reach''', ''page 53'' (2001); ''page 71'' (2010)</ref>

*On page 46 of the original edition, [[Kelly-087]] hands out parts of a map to the 75 Spartan trainees. Then on page 48, when [[John-117|John]] checks to make sure the children arrived at the lake, he counted only 67. In the re-release, "sixty-seven" is changed to "seventy-four".<ref>'''Halo: The Fall of Reach''', ''pages 46, 48'' (2001); ''pages 62, 65'' (2010)</ref>

*In the original edition, when the Spartans are browsing through the cargo manifest of the freighter ''[[Laden]]'', the ship is said to carry [[list of food and drinks|champagne]] of a "Beta Centauri vintage", implying the [[Beta Centauri]] system had been colonized by humanity.<ref>'''Halo: The Fall of Reach (2001)''', ''page 83''</ref> In the re-release, "Beta Centauri" has been changed to "[[Procyon]]".<ref>'''Halo: The Fall of Reach (2010)''', ''page 104''</ref> This is likely due to the fact the system is situated well beyond the known sphere of influence of humanity and thus unlikely to house a colony.

*In the original edition, [[Jacob Keyes|Captain Keyes]] refers to [[William Lovell|Ensign William Lovell]] as "Michael" when first meeting him. This has been corrected in the 2010 edition.<ref>'''Halo: The Fall of Reach''', ''page 188'' (2001); ''page 216'' (2010)</ref>

*In the original, a UNSC frigate was referred to as the ''Alliance'', and then shortly thereafter as the ''[[UNSC Allegiance|Allegiance]]''. In the 2010 edition, the ship is referred to as the ''Allegiance'' in both instances.<ref>'''Halo: The Fall of Reach''', ''pages 145, 154'' (2001); ''page 170, 180'' (2010)</ref>

*In the original edition, the ship {{UNSCShip|Leviathan}} was referred to as a cruiser and then later as a carrier. In the 2010 edition, the ship is referred to as a cruiser in both instances.<ref>'''Halo: The Fall of Reach''', ''pages 162, 212'' (2001); ''pages 188, 243'' (2010)</ref>

*On page 19, [[Michael Stanforth]] was said to be a Vice Admiral, and on page 95, it said he was a Rear Admiral. In the 2010 edition, he is referred to as a Vice Admiral in both instances.<ref>'''Halo: The Fall of Reach''', ''pages 19, 95'' (2001); ''pages 33, 117'' (2010)</ref>

*In the original edition, Vice Admiral Stanforth was stated to be ten years Dr. Halsey's senior. "Ten years" is changed to "six years" in the 2010 edition, most likely to accommodate Stanforth's and Halsey's birth dates established in the [[ONI memorial]] in ''[[Halo 3: ODST]]''.<ref>'''Halo: The Fall of Reach''', ''page 95'' (2001); ''page 117'' (2010)</ref>

*In the 2001 edition, the ''[[UNSC Pillar of Autumn|Pillar of Autumn]]'' is said to be missing its port-side emergency thrusters, though it later uses them twice. In the 2010 edition, the mention of the thrusters being missing has been removed.<ref>'''Halo: The Fall of Reach''', ''pages 271, 292, 320'' (2001); ''page 307'' (2010)</ref>

*In Chapter 22, [[James-005]]'s left arm is severed by an [[assault cannon]]. In the original edition, it is said a few pages later that he saluted with his left hand—while it was still missing. In the 2010 re-release, he salutes with his right hand.<ref>'''Halo: The Fall of Reach''', ''pages 208, 210'' (2001); ''page 241'' (2010)</ref>

*In the original edition, the first time John-117 encounters [[Sangheili]] warriors in the battlefield is on [[Gamma Station]] during the [[Fall of Reach]]. In addition, the UNSC is depicted as not having any first-hand intelligence on the species prior to the battle; Dr. Halsey only speculates their existence.<ref>'''Halo: The Fall of Reach''', ''page 242, 309'' (2001)</ref> This was ignored in later material; in the subsequent [[Eric Nylund]] novel ''[[Halo: First Strike]]'', the Spartans of [[Red Team]] casually refer to the Elites at a time they would have been no more familiar with them than John and [[Blue Team]] aboard Gamma Station,<ref>'''Halo: First Strike''', ''pages 17, 20, etc.'' (2003)</ref> and in ''[[Halo: Ghosts of Onyx]]'', the Spartan-IIIs encounter Sangheili as early as [[2537]] and [[2545]]. Later fiction has portrayed Sangheili as having been present in battles throughout the war numerous times. References to the Sangheili as being a never-before-seen species were altered to be more in line with the revised canon in the reissue. When [[Catherine Halsey|Dr. Halsey]] briefs the Spartans for [[Operation: RED FLAG]] in chapter 26, the line
::''"We believe there is a 'race' of field commanders, which we are currently calling 'Elites'"''<ref>'''Halo: The Fall of Reach (2001)''', ''page 242''</ref>
::is changed into:
::''"We also know that there is a 'race' of field commanders we have historically called 'Elites'"''.<ref>'''Halo: The Fall of Reach (2010)''', ''page 275''</ref>
:During the Spartans' mission to [[Reach Station Gamma]] in chapter 35, the following sentence:
::''"These must be the elite warrior class Dr. Halsey had conjectured. The Covenant's best? They were about to find out."''<ref>'''Halo: The Fall of Reach (2001)''', ''page 309''</ref>
::is changed into:
::''"These were Elites - the iron heart of the Covenant. Would they best the Spartans this time? They were about to find out."''<ref>'''Halo: The Fall of Reach (2010)''', ''page 347''</ref>

*In chapter 29, the sentence
::''"From this distance, the ''Pillar of Autumn'' could have been mistaken for an elongated frigate."''<ref>'''Halo: The Fall of Reach (2001)''', ''page 271''</ref>
::is changed into:
::''"From this distance, the ''Pillar of Autumn'' could have been mistaken for a Marathon-class carrier."''<ref>'''Halo: The Fall of Reach (2010)''', ''page 307''</ref>
::This passage is still erroneous as the [[Marathon-class heavy cruiser|''Marathon'' class]] is a cruiser, not a carrier.

*The number of the Covenant ships present at the battle over Reach is changed from 314 to "well over seven hundred" in the 2010 reissue.<ref>'''Halo: The Fall of Reach (2010)''', ''page 333''</ref> This may be due to a line spoken by [[Fleet Admiral]] [[Terrence Hood]] in ''[[Halo 2]]'', where he states that the fleet that destroyed Reach was "fifty times" the size of the [[Fleet of Sacred Consecration]]. However the change is only done once while all other instances state the fleet consists of 314 ships. The number is changed back to its original form in the 2011 ''Definitive Edition''.<ref>'''Halo: The Fall of Reach (2011)''', ''page 343''</ref>

*In the 2001 edition, Admiral [[Roland Freemont]] recalls all UNSC warships in the "REACH, JERICO ''[sic]'' and TANTALUS systems" to the defense of Reach.<ref>'''Halo: The Fall of Reach (2001)''', ''page 289''</ref> The 2010 reissue changes the spelling of "JERICO" to "JERICHO", but the rest of the line remains unchanged.<ref>'''Halo: The Fall of Reach (2010)''', ''page 326''</ref> In the 2011 ''Definitive Edition'', the reference to the Tantalus and Jericho systems has been removed:<ref>'''Halo: The Fall of Reach (2011)''', ''page 335''</ref> Reach and Tantalus are both planets in the Epsilon Eridani system, whereas the so-called [[Lambda Serpentis system|Jericho system]] had fallen to the Covenant many years prior.

*During Blue Team's mission to [[Reach Station Gamma]], the original edition states that ''Kelly'' shouted "All secure!" while the Spartans' Pelican prepares for maneuvering, even though she is not aboard the Pelican. "Kelly" has been corrected to "Linda" in the reissue.<ref>'''Halo: The Fall of Reach''', ''page 306'' (2001); ''page 344'' (2010)</ref>

==''Halo: The Flood''==
{{Main|Halo: The Flood}}

*The cutscene in ''Halo: Combat Evolved'' at the end of the level The ''Pillar of Autumn'' clearly shows the ''Autumn'' being fired upon with plasma. However, in ''Halo: The Flood'', the [[Prophet of Stewardship|Prophet]] assigned to [[Fleet of Particular Justice|the fleet]] forbids the Covenant ships to fire, lest they strike the "sacred relic".<ref>'''Halo: The Flood''', ''page 6'' (2003)</ref> However, this is remedied in [[Priority Broadcast Log/Eleventh Cycle, Third Unit|the fleet broadcast log]] in the ancillary content of the reissue of ''Halo: The Flood'', where it is revealed that the order was ignored by the fleet's [[Thel 'Vadam|Supreme Commander]].

*The original edition describes how a group of entrenched Marines could not be hit by Ghosts' plasma fire, as the vehicles' plasma cannons were fixed and the marines were on a hill. In the games, the Ghost's plasma cannons can easily increase or decrease their angle. The line is altered to be more vague in the new edition:

::''"Fortunately, the weapons that fired the energy bolts were fixed, which meant that the rise would continue to offer the humans a good deal of protection, so long as the Ghosts weren't allowed to climb the slopes."''<ref>'''Halo: The Flood (2003)''', ''page 65''</ref>

::is changed into:

::''"Fortunately, the Covenant vehicles couldn't get a fix on the Marines' position, which meant that the rise would continue to offer the humans a good deal of protection, so long as the Ghosts weren't allowed to climb the slopes."''<ref>'''Halo: The Flood (2010)''', ''page 80''</ref>

*A reference to a [[Mgalekgolo|Hunter]] having a spine is changed in Chapter 4 in a scene where [[John-117]] kills one with a [[Mamua'uda-pattern Shade|Shade turret]]. In addition, the male pronoun used to refer to it is changed to the neutral "it" in some instances:

::''"The Hunter didn't have time to bring its shield fully into play, and plasma blasts burned through multiple layers of armor, and exited through his spine."''<ref>'''Halo: The Flood (2003)''', ''page 106''</ref>

::is changed into:

::''"The Hunter didn't have time to bring its shield fully into play, and plasma blasts burned through multiple layers of armor, and exited through its back."''<ref>'''Halo: The Flood (2010)''', ''page 121''</ref>

::However, the male pronoun remains unchanged in most instances and [[Ogada Nosa Fasu]] is still said to have a spine when John-117 kills it in Chapter 6.<ref>'''Halo: The Flood (2010)''', ''page 181''</ref>

*In the original edition, [[Parker|Sergeant Parker]] is consistently referred to as a he,<ref>'''Halo: The Flood''', ''pages 100, 107, 112'' (2003)</ref> and then a she.<ref>'''Halo: The Flood''', ''page 113'' (2003)</ref> He is consistently referred to with the male pronoun in the new version.<ref>'''Halo: The Flood''', ''page 128'' (2010)</ref>

*The previously unidentified "loader-type exoskeleton"<ref>'''Halo: The Flood (2003)''', ''page 137''</ref> used by [[Oros]] when unloading cargo from the ''Pillar of Autumn'' is now identified as a [[HRUNTING Mark III (B) Exoskeleton|Cyclops]].<ref>'''Halo: The Flood (2010)''', ''page 153''</ref>

*In Chapter 8, the original edition consistently mistakes the 8-gauge [[M90 Close Assault Weapon System|shotgun]] as 12-gauge. This has been corrected in the 2010 edition.<ref>'''Halo: The Flood''', ''pages 202, 224'' (2003); ''pages 220, 243'' (2010)</ref>

*In Chapter 9, the Second Squad was implied to have been completely consumed by the Flood, specifically saying that their numbers dwindled until two [[Private First Class]]' remained, before the last of the Marines fell.<ref>'''Halo: The Flood''', ''page 232'' (2003)</ref> On the next page, however, it is stated that Foehammer proceeded to pick up the Marines. The following change is made in the new edition:

::''"The Spartan had vanished, and there was little the pilot could do except pick up the Marines, and hope for the best."''<ref>'''Halo: The Flood (2003)''', ''page 233''</ref>

::is changed into:

::''"The Spartan had vanished, and there was little the pilot could do except hope for the best."''<ref>'''Halo: The Flood (2010)''', ''page 252''</ref>

*In Chapter 10 of the original version, it says that three weapons would be unwieldy for the Chief, not to mention "damned heavy." It then says he chose a shotgun and sniper rifle. During the ensuing engagement, it is then stated the Chief "switched to the pistol", despite the fact it was established he was only carrying a shotgun and a sniper rifle at the time. In the 2010 edition, "pistol" is changed to "shotgun".<ref>'''Halo: The Flood''', ''pages 281, 283'' (2003); ''page 303'' (2010)</ref>

*In the original edition, [[Melissa McKay|First Lieutenant Melissa McKay]]'s mission clock, seen in chapter headings, is prefixed by an extra 1, creating an inconsistency with the Master Chief's mission clock.<ref>'''Halo: The Flood (2003)''', ''pages 127, 148''</ref> This has been fixed in the 2010 edition.<ref>'''Halo: The Flood (2010)''', ''pages 143, 164''</ref>

*All mentions of the [[Prophet of Stewardship]]'s [[antigravity belt]] in the original are replaced with "[[Anti-gravity chair|antigravity throne]]". This is likely because antigravity thrones were not established as the Prophets' primary means of transport until after the novel was written, making Stewardship's constant use of a belt rather than a throne seem rather out of character.

==''Halo: First Strike''==
{{Main|Halo: First Strike}}

*The [[Longsword]] used by the Master Chief and the other survivors from Installation 04 to land in the ''[[Ascendant Justice]]'' was repeatedly referred to as a Pelican in the original edition. The ship is consistently referenced as a Longsword in the reprint.<ref>'''Halo: First Strike''', ''pages 75, 93, 95, and others'' (2003); ''pages 97, 118, 120, and others'' (2010)</ref>

*In the original edition, the headings for chapters 5 through 9 refer to the [[Soell]] system as an "uncharted system".<ref>'''Halo: First Strike (2003)''', ''pages 34, 47, 58, 71, 84''</ref> In the 2010 edition, the headings identify the system as Soell.<ref>'''Halo: First Strike (2010)''', ''pages 49, 64, 76, 93, 107''</ref>

*The formerly unidentified Covenant excavation machines at [[Menachite Mountain]] are now stated to be [[Scarab]]s.<ref>'''Halo: First Strike (2010)''', ''page 142''</ref>

*Vinh is referred to as "SPARTAN 029" twice in the original edition, even though the tag 029 is assigned to [[Joshua-029|Joshua]] throughout the rest of the book. In the 2010 edition, Vinh is correctly referenced as "SPARTAN 030" in both instances.<ref>'''Halo: First Strike''', ''pages 121, 148'' (2003); ''pages 149, 180'' (2010)</ref>

*In the original novel, the Spartans are seemingly unfamiliar with the design of what is implied to be a prototype of the [[BR55 battle rifle]].<ref>'''Halo: First Strike (2003)''', ''page 133''</ref> Since later material has established that the BR55 series had been in service for decades prior to the timeframe of the novel, the reprint identifies the weapon as the "BR55's newest version" and the Spartans are now shown to be familiar with its predecessors.<ref>'''Halo: First Strike (2010)''', ''pages 163-164''</ref>

*In the original edition, [[Wagner|Lieutenant Wagner]] states that Reach was the closest thing he had to a home in the [[Outer Colonies]],<ref>'''Halo: First Strike''', page 102'' (2003)</ref> despite Reach being part of the [[Inner Colonies]]. "Outer Colonies" is replaced with "colonies" in the 2010 edition.<ref>'''Halo: First Strike''', page 128'' (2010)</ref>

*There are two instances in which the descriptions of the Covenant's [[Glassing|glassing doctrine]] are modified. The first is located in chapter 11 during [[Lieutenant Wagner]]'s debriefing by the [[UNSC Security Council]]. The line:

::''"When the Covenant destroys a planet, they typically move their large warships closer and blanket the world with a series of crisscrossing orbits to ensure that every square millimeter of the surface is covered with plasma bombardments."''<ref name="fs105">'''Halo: First Strike (2003)''', ''page 105''</ref>

::is changed into:

::''"When the Covenant destroys a planet, they typically move their large warships closer and blanket the world with a series of crisscrossing orbits to ensure that nothing could ever survive on its surface."''<ref name="fs130">'''Halo: First Strike (2010)''', ''page 130''</ref>

Two pages prior to this, the line:

::''"Before I jumped to Slipspace, I witnessed the poles destroyed, and approximately two thirds of [[Reach|the planet]]'s surface was on fire."''<ref name="fs102">'''Halo: First Strike (2003)''', ''page 102''</ref>

::is changed into:

::''"Before I jumped to Slipspace, I witnessed the poles destroyed, and a significant portion of the planet's surface was on fire."''<ref name="fs128">'''Halo: First Strike (2010)''', ''page 128''</ref>

Additionally, [[Fred]]'s description of the event in chapter 12 is also slightly modified:

::''"Something didn't fit. Covenant plasma bombardment had always proceeded in an orderly crisscrossing pattern across a planet until every square centimeter of the surface was glass and cinder."''<ref name="fs109">'''Halo: First Strike (2003)''', ''page 109''</ref>

::is changed to:

::''"Something didn't fit. Covenant plasma bombardment had always proceeded in an orderly crisscrossing pattern across a planet until everything on its surface was glass and cinder."''<ref name="fs136">'''Halo: First Strike (2010)''', ''page 136''</ref>

*Similar to the inconsistency of the Spartans' first encounter with Sangheili, in ''Halo: First Strike'', the Spartans did not have any prior knowledge of the [[Jiralhanae]] until their encounter with them on the ''[[Unyielding Hierophant]]'' during [[Operation: FIRST STRIKE]]. This has also been contradicted in multiple later works which show Brutes as being well known to UNSC forces throughout the war. Like the Sangheili encounter inconsistency in ''The Fall of Reach'', in the re-release of ''First Strike'', references to the Jiralhanae have been altered so that the Spartans are now familiar with them:

::''"Also be advised, Chief, that there are ceremonial guards in this temple — a race we have not encountered before. Roughly translated from Covenant dialects, they are called 'Brutes'. They shouldn't be a significant threat or they would have been used in previous military situations."''<ref name="fs310">'''Halo: First Strike (2003)''', ''page 310''</ref>

::is changed into:

::''"Also be advised, Chief, that there are Brutes in this temple. They shouldn't be a significant threat."''<ref name="fs372">'''Halo: First Strike (2010)''', ''page 372''</ref>

::Also, in the next paragraph, the sentence ''"The name "Brute" didn't sound promising."'' is removed.

::On the same page, the sentence 
::''"The creature Cortana had called a "Brute" stepped from the shadows and faced John."''{{Ref/Reuse|fs310}}

::is changed into:

::''"The Brute stepped from the shadows and faced John."''{{Ref/Reuse|fs372}}

==''Halo 2''==
{{Main|Halo 2}}

*In the opening cutscene of [[Outskirts]], the Warthogs have no drivers. This was corrected in the ''Anniversary'' edition.
*In the final cutscene of "[[Sacred Icon]]", Miranda Keyes duel-wielded SMGs while firing at the Arbiter, without any visible recoil. Supplementary material claimed this was impossible for non-Spartans, due to the strength it took to fire them accurately.<ref>[http://halo.bungie.net/projects/halo3/content.aspx?link=h3smg '''Bungie.net:''' ''M7 / Caseless Submachine Gun'']</ref> In ''Halo 2: Anniversary'', the cutscene is changed so Miranda only carries and fires one SMG.
*A glitch in-game causes 343 Guilty Spark's "eye" light to dim when he speaks, unlike other games where it lights up as he speaks. This was fixed in ''Anniversary''.
*A visual glitch in the opening cutscene of [[Gravemind (level)|Gravemind]] causes an Unggoy Master Chief frightens to slide across the ground motionlessly rather than running. This is fixed in the ''Anniversary'' edition.
*[[Rtas 'Vadum]] is depicted as speaking clearly despite having lost half his mouth. ''Anniversary'' slightly modifies his design so that he still retains part of his left mandibles.

==''Halo: Contact Harvest''==
{{Main|Halo: Contact Harvest}}

*The novel establishes [[Harvest]] as humanity's most distant [[human colonies|colony world]], further stating that the planet is six weeks away from the nearest colony, [[Madrigal]], and two months from [[Reach]].<ref name="ch32">'''Halo: Contact Harvest''', ''page 32''</ref> It is stated that Harvest is situated in the [[Epsilon Indi system]], which is only 12 lightyears from Earth. This would place Harvest only 1.5 lightyears further from Earth than [[Epsilon Eridani]], the heart of the [[Inner Colonies]], and significantly closer than many other colony systems which have not been specifically mentioned as being particularly distant (e.g. [[111 Tauri]], [[Lambda Serpentis system|Lambda Serpentis]], and [[Zeta Doradus system|Zeta Doradus]]). This is rectified by [[Catalog#Trivia|Catalog]], who claims this discrepancy is the result of both the fundamentally different geometry of slipstream space (resulting in a longer ''de facto'' distance), as well as [[propaganda]] during humanity's colonial expansion period supposedly labeling Harvest as the most distant colony even if this was not strictly true.{{Ref/Reuse|catalog14}}

==''Halo 4''==
{{Main|Halo 4}}

*In the opening cinematic, Dr. Halsey envisions Spartans wearing John-117's customized Mark VI armor from the campaign, even during a scene when John canonically wore the [[Mark V]]. Cortana created this design aboard the stranded ''Forward Unto Dawn'' years after her last meeting with Halsey, meaning the doctor could not be aware of its appearance. [[Josh Holmes]] later clarified that the armor in the cutscene is not canon; the modified Mark VI design was used because the production team lacked the time necessary to create canonically accurate models that would receive mere seconds of screentime.<ref>{{Plain|[https://twitter.com/JoshingtonState/status/474224115608731650 '''Twitter.com''' - Joshington State]}}</ref> ''[[Halo 4: The Essential Visual Guide]]'' makes a tongue-in-cheek reference to this, stating that John's redesigned armor resembles a version of the [[Mark IV]].<ref>''Halo 4: The Essential Visual Guide'', page 10</ref> [[:File:MJOLNIR MARK IV BLUE TEAM.png|John's original Mjolnir suit]] as shown in ''[[Halo: The Fall of Reach - The Animated Series]]'' appears to be the variant in question, as it combines the overall design of the ''Halo Wars'' model with a helmet and forearms reminiscent of his ''Halo 4'' armor.
*Although Cortana used [[Nanotechnology|nanomachines]] to heavily overhaul John's armor while he was in cryo,<ref>[http://www.youtube.com/watch?v=QjswoU39AOY ''The Science Behind The Halo Series'']</ref><ref>[http://halo.xbox.com/halo4/en-US#!halo-evolved/gameplay/31afe32b-0e07-45c0-9424-3adc6e1eadca '''Halo 4 Official Site''' - ''GAMEPLAY'']</ref><ref name="H4VG">[http://www.dk.co.uk/nf/Book/BookDisplay/0,,9781409334828,00.html '''DK Publising''' - ''Halo 4: The Essential Visual Guide'' '''Preview''']</ref> the suit retains a gash on its right side received from John's freefall drop in ''Halo 3''. The ''[[Halo 5: Guardians Multiplayer Beta]]'' revealed a scarred variant of the Mark VI in multiplayer, with the chest damage mirroring John's Mark VI. The in-game description states that it is possible for the MJOLNIR's triply-redundant self-repairing systems to fail.<ref>'''Halo 5: Guardians Multiplayer Beta''' - ''Scarred Mjolnir Mark VI description''</ref> Hence, Cortana was simply unable to repair the gash because it was extensively and permanently damaged.
*Though {{UNSCShip|Forward Unto Dawn}} is heavily redesigned both superficially and structurally, 343 Industries writer [[Jeff Easterling]] has confirmed that the ship's original ''Halo 3'' appearance is canon.<ref>[https://www.halowaypoint.com/en-us/news/canon-fodder-have-s-moa '''Halo Waypoint:''' ''Canon Fodder - Have S'moa'']</ref>
*The Librarian is depicted as an old woman, despite having been claimed to be an ideal beauty in ''Primordium'', having subconsciously influenced what humans imagine to be the perfect female.<ref>''Halo: Primordium'', page 375</ref> ''Silentium'' explains this as being a spiritual beauty, having the usually unfeeling [[Catalog]] be attracted to her despite noticing various imperfections on her face.<ref>''Halo: Silentium'', pages 21-22</ref>
*In the ''[[Spartan Ops]]'' chapter "[[Didact's Hand]]", [[Gabriel Thorne]] seemingly claims (due to his fumbled wording) to have served in the [[UNSC Army|Army]] for a year before joining the Spartans in response to the [[New Phoenix Incident]]. However, ''[[Halo 4: The Essential Visual Guide]]'' explicitly states that Thorne had already joined the Spartans prior to the attack, and that he was not in the city at the time because he was away on deployment with them.<ref>''Halo 4: The Essential Visual Guide'', page 20 - [[:File:MajesticBio-Thorne.png|Gabriel Thorne biography]]</ref> Thus, Thorne actually means that he had been in the Army until he joined the Spartans a year before the incident. ''[[Halo: Escalation]]'' supports this by revealing that his grandmother (who was killed in the attack) bought a Master Chief action figure to celebrate her grandson's acceptance into the SPARTAN-IV program.<ref>''Halo: Escalation'', ''[[Halo: Escalation Issue 7|Issue 7]]''</ref>

==''Halo: Silentium''==
{{Main|Halo: Silentium}}

*The journey of 160,000 lightyears to Path Kethona is described as being an unprecedented and exceedingly challenging undertaking to the Forerunners, in particular due to the [[Slipstream space#Reconciliation|reconciliation debt]] involved with the long distance. Even with a state-of-the-art ship specifically designed for the voyage, the trip is noted as potentially accumulating catastrophic causal strain.<ref name="s60">'''Halo: Silentium''', ''pages 60-61''</ref><ref>'''Halo: Silentium''', ''pages 62-63''</ref> Strangely, no such difficulties are mentioned in reference to the trips to [[Installation 00]] or its older counterpart, the [[greater Ark]], particularly where the construction of the two [[intergalactic space|extragalactic]] installations is concerned. Installation 00, at 262,144 lightyears from the galactic center, is roughly 100,000 lightyears more distant than Path Kethona;<ref>'''Halo 3''', campaign level ''[[The Ark (level)|The Ark]]'' (343 Guilty Spark: "2<sup>18</sup> lightyears from galactic center, to be precise.")</ref> in ''Silentium'', upon arrival at the greater Ark, it is mentioned that the lesser Ark is ''"hidden a third of the way around the outer boundaries of the galaxy"''.<ref>'''Halo: Silentium''', ''page 237''</ref> This would suggest that the greater Ark is situated well over 700,000 lightyears away, placing the apparent difficulty of reaching Path Kethona in a rather absurd light. While the comparative ease of voyages following the collapse of the ecumene at the end of ''Halo: Silentium'' and in ''Halo 3'' can be justified by the galaxy-wide cessation of Forerunner slipspace travel, the construction and subsequent consistent traffic between the galaxy and the Arks for over a thousand years is more difficult to explain. When constructing the Arks, the Builders would have moved resources amounting to untold times the mass of ''Audacity'' over a far greater distance, yet the Arks' construction — which had already occurred at [[98,395 BCE|the time]] — goes unmentioned as an incident comparable to the Path Kethona expedition when it seemingly exceeds ''Audacity'''s voyage as a technological feat.{{Ref/Reuse|s60}}
**Although it is specifically stated in ''Halo: Silentium'' the Halo installations' mass (or size) is a major factor in the generation of space-time debt,<ref>'''Halo: Silentium''', ''page 91''</ref> according to [[Catalog]], reconciliation is mainly determined in a nonlinear fashion by discrepancies in information transfer between locations and considerations involving tension on the space-time brane.<ref name="catalog14">[https://forums.halowaypoint.com/yaf_postsm2969317_Catalog-Interaction.aspx#post2969317 '''Halo Waypoint''' - ''Catalog Interaction'' (page 14)]</ref>

==Halo Waypoint==
{{Main|Halo Waypoint}}

*In the [[Priority Broadcast Log/Eleventh Cycle, Third Unit|Adjunct transmission]] included in the re-release of ''[[Halo: The Flood]]'', the ''[[Ascendant Justice]]'' is referred to as a "supercarrier", despite being only 3000 meters long, well below the 28 kilometer length of [[Sh'wada-pattern supercarrier|a Covenant supercarrier]].<ref>'''Halo: First Strike''', ''page 36''</ref><ref>'''Halo: The Essential Visual Guide''', ''page 111''</ref> A Canon Fodder post later clarified that "supercarrier" is a general term for several heavy-tonnage ships, and that the ''Justice'' was specifically a {{Pattern|Ruma|light carrier}}.<ref>[https://www.halowaypoint.com/en-us/news/canon-fodder-have-s-moa  '''Halo Waypoint: Canon Fodder:''' ''Have S'moa'']</ref>
*A bio for [[Kelly-087]], when first posted, claimed her birthdate was June 21, 2511. This date was unlikely as [[Dr. Halsey's personal journal]], on an entry dated September 15, 2517, claimed Kelly was abducted close to her birthday, mistaking the ONI agents's capture attempts for a birthday game. The date on the bio was later corrected to September 21, 2510.<ref>[https://www.halowaypoint.com/en-us/universe/characters/kelly-087 '''Halo Waypoint:''' ''Kelly-087'']</ref>
*[[Mason Hundley]]'s biography on Waypoint originally stated that he was born in [[2535]] and that he served "several years" in the [[Home Fleet]] before transferring to ONI in 2552. However, this would mean he enlisted in his mid-teens (too young to enlist even with parental consent) and joined ONI when he was 17 years old. The biography was later amended to say he was born in [[2532]], meaning he could have enlisted as early as age 16 with parental consent and transferred to ONI at age 20.<ref>[https://www.halowaypoint.com/en-us/universe/characters/mason-hundley '''Halo Waypoint''': ''Mason Hundley'']</ref>
*In [[Halo 4: Forward Unto Dawn character interviews|an interview]] featured in the Special Edition of ''[[Halo 4: Forward Unto Dawn]]'', [[Chyler Silva]] describes as having grown up on [[Cygnus]] amid constant [[Insurrectionist]] violence; she specifically mentions that ''"it was just part of life on Cygnus"''.<ref>'''Halo 4: Forward Unto Dawn Special Edition''' - ''[[Halo 4: Forward Unto Dawn character interviews|Silva's interview]]'': ''"I grew up around a lot of Innie violence, [...] Y'know, it was....it was just part of life on Cygnus."''</ref> According to ''[[Halo: Contact Harvest]]'', the [[Cygnus system]] had not been involved in the [[Insurrection]] as of [[2524]].<ref>'''Halo: Contact Harvest''', ''page 61''</ref> Halo Waypoint's Canon Fodder blog later retconned this so that Silva had spent much of her childhood on [[Mamore]], which was heavily involved in the Insurrection.<ref>[https://www.halowaypoint.com/en-us/news/canon-fodder-that-escalated-quickly '''Halo Waypoint: Canon Fodder:''' ''That Escalated Quickly'']</ref>
*In ''[[Halo: Silentium]]'', the [[Domain]] was destroyed by [[Great Purification|the firing of the Halos]] at the conclusion of the [[Forerunner-Flood war]].<ref>'''Halo: Silentium''', ''pages 322-323''</ref> This is seemingly confirmed in ''[[Halo: Combat Evolved Anniversary]]'' and ''[[Halo 4]]'', the former when [[343 Guilty Spark]] notes the [[Monitor]]s had lost contact with the Domain,<ref>'''[[Halo: Combat Evolved Anniversary]]''', ''[[Terminal (Halo: Combat Evolved Anniversary)#The Terminals|Terminal 2]]''</ref> and the latter when Cortana notes a Terminal that appears to be caught in an unending loop of trying to access the Domain over and over.<ref>'''Halo 4''', ''campaign level [[Requiem (level)|Requiem]]'', ('''Cortana''': "This node is caught in a loop trying to access something it's calling 'the Domain'.")</ref> In ''Halo 5: Guardians'', the Domain is depicted as still in existence, and considerably different as it can be physically entered but requires hub worlds like [[Genesis]] and [[Kamchatka]] to access,<ref>'''Halo 5: Guardians''', ''campaign level [[Genesis (level)|Genesis]]'',([[Exuberant Witness]]: "[The Gateway] is a bridge between the Domain and Genesis.")</ref><ref>[https://www.halowaypoint.com/en-us/universe/locations/kamchatka '''Halo Waypoint''': ''Kamchatka'']</ref> while in ''[[The Forerunner Saga]]'' it could be accessed from anywhere much like the Internet.<ref>'''Halo: Cryptum''', ''page 167-168''</ref><ref>'''Halo: Cryptum''', ''page 13''</ref> The [[Halo Waypoint]] entry for [[Genesis]] claims the Halo rings' blast merely cut off access to the Domain, and that the Domain itself was damaged but gradually self-repaired over the following hundred millennia, as well as noting that most Forerunners had passive access to the network besides hub worlds.<ref>[https://www.halowaypoint.com/en-us/universe/locations/genesis '''Halo Waypoint''': ''Genesis'']</ref>
**Additionally, the short story ''[[Promises to Keep]]'', included in ''[[Halo: Fractures]]'', depicts the Forerunners remaining after the reseeding of the galaxy "rebooting" the Domain after it was destroyed in the firing of the Array.<ref>'''[[Promises to Keep]]'''</ref>

==Data Drop==
{{Main|Data Drop}}

* In ''[[Halo: Combat Evolved Anniversary]]'', the [[M90 shotgun]] used in the original ''Combat Evolved'' is replaced with the model of the [[M45 shotgun]] from ''Halo: Reach'', although it retains the same range and spread as the M90. Data Drop 6 explains this as being the M45E, a variant that is functionally identical to the M90 in performance, and further explains that all the M90s aboard the ''Pillar of Autumn'' had been taken by the Spartan-IIs before they dropped to fight on Reach.<ref>'''[[Data Drop]] 6'''</ref>
* In ''Halo: The Fall of Reach'', the titular Fall is depicted as occurring on August 30, 2552, but ''Halo: Reach'' has the attack begin much earlier on July 24, 2552. The 2010 rerelease of ''The Fall of Reach'' did not alter the date of the attack's start, though it did include an Adjunct with [[United Nations Space Command Transmission 34670J-17|a letter from]] [[Jacob Keyes]] admitting that he knows the Covenant are at Reach and is keeping the knowledge hidden from the Spartans and crew of the ''Autumn''.<ref>'''Halo: The Fall of Reach''', ''2010 edition Bonus Content''</ref> Later on Data Drop 5 clarified that the coverup on the ''Autumn'''s crew was instigated by [[Office of Naval Intelligence#Section Three|ONI Section Three]], who were hoping to lure a Covenant flagship to Reach in hopes that it could be hijacked for [[Operation: RED FLAG]].<ref>'''Data Drop 5'''</ref>

==''Halo 5: Guardians''==
{{Main|Halo 5: Guardians}}

* In the promotional trailer ''[[A Hero Falls]]'', Lieutenant [[Penelope Boren]] gave the date of [[John-117]]'s supposed death as October 27, 2560, two years after the events of ''Guardians'' take place. A [[Hunt the Truth Season 2/Blog posts|Hunt the Truth blog post]] depicting a letter from [[Michael Sullivan]] to [[Serin Osman|Admiral Osman]] explained the discrepancy as an in-universe error; Boren had lost focus in the emotion of the moment and misspoke the date during the press briefing. As penalty for her mistake, she was reassigned to a remote mining colony.<ref>'''{{Plain|[http://huntthetruth.tumblr.com/image/130137892268 Hunt the Truth - Season 2''', ''Letter from CDR Sullivan'']}}</ref>

==''Halo Wars 2''==
{{Main|Halo Wars 2}}

*During the cutscene "Atriox", [[Isabel]] claims the [[Portal at Voi|portal]] between Earth and the Ark shut down "five months ago", with the [[Banished]] [[Attack on Installation 00|attacking]] the [[Henry Lamb Research Outpost]] one month later. However, the [[Phoenix Logs]] initially dated the attack to [[2558#October|October 26, 2558]], and placed the events of the campaign in [[2559#May|mid-May 2559]], meaning roughly eight months had passed since the portal shut down. This was later rectified in a title update,<!--Please verify which title update made this change.--> which retconned the date of the attack to [[2558#November|November 25, 2558]], and shifted the campaign proper to late March and early April of 2559.<ref>'''Halo Wars 2''', ''[[Phoenix Logs]]''</ref>

==Sources==
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[[Category:Lists|rectified inconsistencies in the Halo series]]
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 *During the cutscene "Atriox", [[Isabel]] claims the [[Portal at Voi|portal]] between Earth and the Ark shut down "five months ago", with the [[Banished]] [[Attack on Installation 00|attacking]] the [[Henry Lamb Research Outpost]] one month later. However, the [[Phoenix Logs]] initially dated the attack to [[2558#October|October 26, 2558]], and placed the events of the campaign in [[2559#May|mid-May 2559]], meaning roughly eight months had passed since the portal shut down. This was later rectified in a title update,<!--Please verify which title update made this change.--> which retconned the date of the attack to [[2558#November|November 25, 2558]], and shifted the campaign proper to late March and early April of 2559.<ref>'''Halo Wars 2''', ''[[Phoenix Logs]]''</ref>
-*The [[Phoenix Logs|Phoenix Log]] titled [[Phoenix Logs/Multiplayer Maps/Bedrock|Bedrock]] initially said ''"despite his combat experience, the Ghost’s Sangheili was unprepared for the Demon who surprised the Sangheili from nowhere and threw his body from the vehicle"'' during the [[Battle of the Citadel|climactic battle]] of the [[Human-Covenant War|war]] on the [[Installation 00|Ark]], despite the fact that the [[High Prophet of Truth]] had [[Great Schism|expelled]] the entire [[Sangheili]] species from the [[Covenant]].{{Ref/Book|Id=TEVG|Halo: The Essential Visual Guide|Page=25|Quote=...when the High Prophet of Truth appointed the Brutes for his own security, proclaiming the Elites to be heretics deserving extermination.}}{{Ref/Game|Halo 2|Quote=A bloody fate awaits you and the rest of your incompetent race, and I, Tartarus, Chieftain of the Brutes will send you to it!}}  This was later corrected and rectified to say ''"this time piloted by a veteran Jiralhanae warrior. However, despite the Ghost pilot's combat experience he was unprepared for the Demon, who surprised the Brute from nowhere and threw his body from the vehicle."'', replacing the erroneous Sangheili [[Ghost]] operator with a [[Jiralhanae]] operator instead.
-==''Halo: Shadows of Reach''==
-*While ''[[Halo: Rise of Atriox]]'' established that [[Atriox]] never hated [[humans]],{{Ref/Comic|Id=ForWhat|[[Halo: Rise of Atriox Issue 2|Rise of Atriox Issue 2]]|Quote=My brothers fall in the war against your kind. And for what?}} ''Shadows of Reach'' portrayed Atriox hating humans (including those allied to him) creating a major contradiction of his character.{{Ref/Novel|Halo: Shadows of Reach|Chapter=21}} This was later corrected in ''[[Halo: Divine Wind]]'' where Atriox was stated to value all [[Banished]] humans and was upset with [[Pavium|Pavium's]] decision to kill some.{{Ref/Novel|Halo: Divine Wind|Chapter=6|Page=102|Quote=Atriox and his retinue had been rather unhappy with that decision, considering humans as valuable assets to the Banished as a whole,}}
 ==Sources==