The Pillar of Autumn (Halo: Combat Evolved level)

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The Pillar of Autumn
Cortana gives some advice to The Chief and Captain Keyes.
Game:	Halo: Combat Evolved
Player:	John-117
Date:	September 19, 2552
Location:	Aboard the UNSC Pillar of Autumn
	Halopedia has a walkthrough guide for this level; see The Pillar of Autumn (Halo: Combat Evolved level)/Walkthrough.

Template:Article Quote The Pillar of Autumn is the first level in the campaign mode of Halo: Combat Evolved and in the Halo Trilogy. The UNSC Pillar of Autumn, having escaped the destruction of Reach, has arrived near a strange object. Unfortunately, the Covenant, who are here as well, attack the ship. Master Chief Petty Officer SPARTAN John-117 is awakened from his cryo-sleep and makes his way to the bridge of the titular ship to be debriefed by Captain Jacob Keyes about their current situation. After the brief meeting, the Master Chief, with his AI companion Cortana, makes his way off the ship via a Bumblebee escape pod.

Description

This level is set in the UNSC Pillar of Autumn and mainly consists of training (below Heroic, or when the player first plays the game). The main objective of the mission is escaping the ship. This level is modified depending on the difficulty chosen. Sergeant Johnson makes different speeches at the beginning of the level, one for each difficulty. In Easy and Normal, the player goes through a testing diagnostic showing the bare basics of controls. In Heroic and Legendary difficulty, this is automatically skipped and the player immediately heads out to find Captain Keyes. On Easy and Normal difficulty, the Motion Tracker and grenades are disabled until certain moments in the level. On Heroic and Legendary, they can be used right from the start.

Transcript

The Pillar of Autumn

The UNSC Pillar of Autumn.

{Cutscene}

Fades into space. Halo is visible above Threshold.

The camera slowly turns and zooms in onto the Pillar of Autumn. Longsword escorts soar alongside.

• Captain Jacob Keyes: "Cortana, all I need to know is did we lose them?"

• Cortana: "I think we both know the answer to that."

Inside ship, the camera focuses on Keyes.

• Captain Jacob Keyes: (sighs) "We made a blind jump. How did they—"

• Cortana: "Get here first? The Covenant ships have always been faster. As for tracking us all the way from Reach...at light speed, my maneuvering options were limited."

Keyes begins pacing around, looking at viewscreens.

• Captain Jacob Keyes: "We were running dark, yes?"

• Cortana: "Until we decelerated. No one could have missed the hole we tore in subspace."

Keyes looks at a bridge crewman's console.

• Cortana: "They were waiting for us on the far side of the planet."

The crewman presses some buttons. The screen shows a diagram of Threshold with Installation 04 in orbit.

• Captain Jacob Keyes: "So, where do we stand?"

• Cortana: "Our fighters are mopping up the last of their recon picket now, nothing serious."

Keyes examines the main screen, pulls his pipe out of his mouth and shakes some ash off it. He closes his eyes wearily.

• Cortana: (continues) "But I've isolated approach signatures from multiple CCS-class battle groups, make it three capital ships per group. And in about 90 seconds they'll be all over us."

• Captain Jacob Keyes: "Well, that's it then. Bring the ship back up to Combat Alert Alpha. I want everyone at their stations."

• Cortana: "Everyone, sir?"

• Captain Jacob Keyes: "Everyone."

Alarm klaxon sounds. Crewmen run towards their stations.

• Captain Jacob Keyes: "And Cortana..."

Cortana's avatar appears.

• Cortana: "Hmm?"

• Captain Jacob Keyes: "...let's give our old friends a warm welcome."

• Cortana: "I've already begun."

Cuts to the main hold of the Pillar of Autumn. A Marine waves light batons to guide a Pelican into the correct docking position. The view moves towards the lower deck.

• Cortana (COM): "Attention, all combat personnel: Please report to your action stations."

• Cortana (COM): "5th Platoon, secure airlocks on Deck 11. 14th Platoon, rendezvous with 22nd Tactical at bulkhead Charlie 14."

Marines start talking, readying their weapons, preparing Scorpion Tanks and Warthogs, or just loitering, until the view shows Staff Sergeant Avery Junior Johnson walking through a line of Marines.

• Sergeant Johnson: "You heard the lady! Move like you've got a purpose!"

• Cortana (COM): "This is not a drill. I repeat, this is not a drill."

{Cutscene w/ All Difficulties}

Marines get in two lines, facing each other. Johnson walks down the column between the formation.

• Sergeant Johnson: (Easy) "Men...keep your eyes downrange, fingers on your triggers, and we all go home in one piece." (turns around) "Am I right, Marines?"

• Sergeant Johnson: (Normal) "Once again, it is our job to finish what the flyboys started. We are leaving this ship, platoon, and engaging the Covenant on solid ground. When we meet the enemy, we will rip their skulls from their spines, and toss 'em away, laughin'!" (turns around) "Am I right, Marines?"

• Sergeant Johnson: (Heroic) "Men, here is where we show those split-chin squid-head sons-of-bitches that they could not have picked a worse enemy than the human race! We are going to blow the hell out of those dumb bugs, until we don't have anything left to shoot 'em with! And then we are going to strangle them with their own-living-guts!" (turns around) "Am I right, Marines?"

• Sergeant Johnson: (Legendary): "Men, we led those dumb bugs out to the middle of nowhere to keep 'em from gettin' their filthy claws on Earth. But we stumbled onto somethin' they're so hot for, that they're scramblin' over each other to get it. Well, I don't care if it's God's own anti-son-of-a-bitch machine, or a giant hula hoop, we're not gonna let 'em have it! What we will let 'em have...is a belly full of lead, and a pool of their own blood to drown in!" (turns around) "Am I right, Marines?"

• Marines: "Sir, yes sir!"

• Sergeant Johnson: "Uh-huh. Damn right, I am. Now move it out! Double time!"

The Marines break formation and run out of the area, as Johnson follows them slowly.

• Cortana (COM): "Attention, all personnel: We are re-engaging the enemy. Internal and external contact imminent."

• Sergeant Johnson: "All you greenhorns who wanted to see Covenant up close...this is gonna be your lucky day."

Cut to a computer screen.

>X - CORTANA 1 0 CRYOSTOR. 23.4.7
>(PRIORITY ALPHA)

>UNSEAL THE HUSHED CASKET

• Tech Officer Sam Marcus: "Whoa! Sir?"

• Tech Chief Thom Shephard: "Right. Let's thaw him out."

The crewmen begin pressing buttons.

• Tech Officer Marcus: "Okay. Bringing low-level systems online. Cracking the case in thirty seconds."

Cut to John-117's cryo tube:

• Tech Officer Marcus: "He's hot! Blowing the pins in five..."

Reveille

The Master Chief exits his Cryo Pod.

Note: Testing only happens in Easy and Normal difficulties.

{Gameplay}

• Tech Officer Marcus (COM): "His suit shows green. Cycle complete."

Tube cover lifts itself

• Tech Chief Shephard: (salutes) "Sorry for the quick thaw, Master Chief. Things are a little hectic right now. The disorientation should pass quickly."

• Tech Officer Marcus (COM): (waves) "Welcome back, sir. We'll have you battle ready stat."

• Tech Chief Shephard: "Chief, please look around the room. I need to get a calibration reading for your battle suit's diagnostics."

The Chief looks around.

• Tech Chief Shephard: "Good. Thank you sir."

• Tech Officer Marcus (COM): "I'm bringing your health monitors online, sir."

The HUD's health bars appear.

• Tech Chief Shephard: "Vital signs look normal. No freezer burn. Okay sir, go ahead and climb out of the cryo tube."

{Cutscene}

The Master Chief gets out of the cryotube.

• Tech Chief Shephard: "I gave you a double dose of the wake-up stim. Take a quick walk around the cryo bay and join me at the optical diagnostics station when you're ready."

Thom walks over, soon Master Chief follows him and stands on a red square.

If the Chief does not face Thom or begins to wander:

• Tech Chief Shephard: "Sir, I need you to look at me so we can begin."

When the Chief faces Thom and stands on the square:

• Tech Chief Shephard: "I know the ordnance techs usually take care of your targeting sensors, but we're short of time, Chief. Just look at each of the flashing panels to target them. When you lock on, it'll change color."

Chief looks at the flashing lights.

• Tech Chief Shephard: "Okay, that looks good..."

• Tech Officer Marcus: "Sir, I'm getting some calibration errors. I'm going to invert your looking pitch, so you can see if you like it better that way."

The pitch is inverted.

• Tech Officer Marcus: "Try targeting the flashing lights again."

The Chief looks at the panel.

• Tech Officer Marcus: "Is that better or should I switch it back?"

The Chief decides the way he wants.

• Tech Officer Marcus (COM): "OK, I'll leave the pitch normal/inverted. But if you want, you can change it yourself later. (pause) I'm ready for the energy shield test now."

• Tech Chief Shephard: "Please follow me to the energy shield test station."

• Cortana (COM): "Fire teams: Report to defensive positions Alpha through Sierra. Sensors show inbound Covenant boarding craft. Stand by to repel boarders."

The Chief steps into the square.

• Tech Chief Shephard: "Okay, bring his energy shields online please."

The Chief's shield meter appears, and charges to full.

• Tech Officer Marcus (COM): "Alright. Shields read as fully charged."

• Tech Chief Shephard: "Okay, sir. Bring them down to test the automatic recharge."

The Chief's shields get depleted, and recharge themselves again.

• Tech Officer Marcus (COM): "Recharging normal. Showing green across the board."

File:Samisdead.PNG

Sam Marcus is shot and killed by an Elite.

• Captain Jacob Keyes (COM): "Bridge to Cryo 2, this is Captain Keyes. Send the Master Chief to the bridge immediately."

• Tech Chief Shephard: "Captain, we'll have to skip the weapons diagnostics and I-"

• Captain Jacob Keyes (COM): "On the double, crewman."

• Tech Chief Shephard: "Aye aye, sir. (to the Chief) The skipper seems jumpy, we'd better get moving. We'll find you weapons later."

• Tech Officer Marcus (COM): "Okay. I'll leave the self-diagnostics running, at least."

• Tech Chief Shephard: "Good idea. You'd better get to your evac group, Sam!"

• Tech Officer Marcus (COM): "Affirmative. Just have to reset the computer and I'm outta here!"

Banging is heard on one of the observation chamber doors. An alarm activates and flashes red.

• Tech Officer Marcus: "Oh God! They're trying to get through the door!"

The door breaks open and a Sangheili Major fires on Sam.

• Tech Officer Marcus: "Security! Intruders in Cryo Two! No, please don't— (a plasma bolt hits Sam, and he falls) Agh!"

The Elite turns around and tries to shoot at the Master Chief from above, but can't get through the glass. The Elite runs off.

• Tech Chief Shephard: (panicked) "Sam! Sam! (to the Chief) C'mon, we've got to get the hell out of here!"

Shephard unlocks the exit door.

• Tech Chief Shephard: "This way!"

If you play on Heroic or Legendary, gameplay begins here

Thom leads Master Chief out of Cryo 2 and down a corridor. Thom tries to open the second door, which explodes, killing him. The Master Chief leaves the area and sees crewmen battling the Covenant while another crewman is killed by an explosion.

Crewmen attempt to fight off alien boarders.

• Crewman 1: "Behind us! They're right behind us!"

A few crewmen run into the room while the doors are closing.

• Crewman 2 or Marine: "Secure those blast doors! Move! MOVE!"

A crewman runs away from the blast door, with a second directly behind him.

• Crewman 3: "Wait for me!"

The crewman is killed by an explosion just as he reaches the blast doors, which shut slowly.

• Crewman: (if the Chief lingers) "Master Chief, sir, the situation's secure here. You're probably needed somewhere else!"

• Cortana (COM): "Alert! All hands, boarding parties on port decks Four, Seven, and Twelve. Baker Team move to engage."

The Chief finds his way to another room where he comes face to face with a Minor Elite. It growls at him but is suddenly attacked by Marines, and the Elite flees.

• Marine 1: "Chief, Cortana says get to the bridge, double quick!"

Through out all this, Cortana continues to coordinate the crew's defense against the Covenant boarders.

• Cortana (COM): "Warning! Covenant incursions on port decks Three and Nine. Alpha Team engage enemy boarders."

Later:

• Cortana (COM): "Enemy boarding parties on starboard decks Eight through Ten. Echo Team intercept Covenant forces."

Later:

• Cortana (COM): "Covenant boarding craft detected on port decks Four, Five, Seven, Eight, and Eleven. All available Combat Teams, respond!"

Later:

• Cortana (COM): "Baker Team reports Covenant forces engaged on port deck Seven. Security teams move to assist."

Later:

• Cortana (COM): "Warning! Covenant boarders on starboard decks Four and Six. Sierra Team reports heavy resistance! Security teams assist."

Later:

• Cortana (COM): "Alert! Alpha and Charlie Teams report heavy fighting on port decks Five through Nine. Foxtrot Team move to starboard decks Eight and Ten, and stand by."

Later:

• Cortana (COM): "Reserve Combat Teams Tango through X-Ray to port decks Five and Six, on the double!"

Later:

• Cortana (COM): "Reserve Combat Teams Oscar and Romeo to port decks Nine through Eleven."

The Chief makes his way to a room where PFC Chips Dubbo is helping some crewmen battle the Covenant boarders.

• PFC Chips Dubbo: "Sir! The Captain needs you on the bridge, ASAP! You better follow me."

The Chief follows Dubbo through a room full of dead or wounded Marines. Outside there's another fight between the crew and the Covenant.

• PFC Chips Dubbo: "Get clear, Chief!"

The blast doors close locking the Covenant out.

The Chief and Dubbo get to the bridge:

• PFC Chips Dubbo: "Captain Keyes is waiting for you, sir!"

{Cutscene}

The Chief approaches Keyes.

• Master Chief: "Captain Keyes."

Keyes shakes the Master Chief's hand.

• Captain Jacob Keyes: "Good to see you, Master Chief. Things aren't going well. Cortana did her best, but we never really had a chance."

Cortana's avatar appears on the holotank.

• Cortana: "A dozen Covenant superior battleships against a single Halcyon-class Cruiser. Given those odds I'm content with three...make that four kills." (to the Chief:) "Sleep well?"

• Master Chief: "No thanks to your driving, yes."

• Cortana: (smiles) "So you did miss me."

A loud explosion rocks the bridge. The Chief lurches and Keyes grabs a pedestal for support.

• Captain Jacob Keyes: "Report!"

• Cortana: "It must have been one of their boarding parties! I'd guess an Antimatter Charge!"

• Fire Control Officer: "Ma'am! Fire control to the main cannon is offline!"

• Cortana: "Captain, the cannon was my last offensive option."

• Captain Jacob Keyes: "Alright then. I'm initiating Cole Protocol, Article 2. We're abandoning the Autumn. That means you too, Cortana."

• Cortana: "While you do what, go down with the ship?"

• Captain Jacob Keyes: "In a manner of speaking. The object we found, I'm going to try and land the Autumn on it."

• Cortana: "With all due respect, sir, this war has enough dead heroes."

• Captain Jacob Keyes: "I appreciate your concern, Cortana, but it's not up to me. Protocol is clear. Destruction or capture of a shipboard AI is absolutely unacceptable, that means you're leaving the ship. Lock in a selection of emergency landing zones, upload them to my neural lace, and then sort yourself for a hard transfer."

• Cortana: "Aye aye, sir."

Cortana's avatar disappears.

• Captain Jacob Keyes: "Which is where you come in, Chief. Get Cortana off this ship. Keep her safe from the enemy. If they capture her, they'll learn everything. Force deployment, weapons research... Earth."

• Master Chief: "I understand."

Captain Keyes holding Cortana's data chip.

Cortana's avatar reappears.

• Cortana: "The Autumn will continue evasive maneuvers until you initiate a landing sequence. Not that you'll listen, but I'd suggest letting my subroutines handle the final approach."

• Captain Jacob Keyes: "Excellent work, Cortana. Thank you. Are you ready?"

Cortana looks about the bridge for a moment, then sighs.

• Cortana: "Yank me."

Captain Keyes pulls a data chip out of the holotank and gives to the Master Chief.

• Captain Jacob Keyes: "Good luck, Master Chief."

The Chief slides the chip into the back of his helmet.

• Cortana: "Hmm...your architecture isn't much different from the Autumn's..."

• Master Chief: "Don't get any funny ideas."

AI Constructs and Cyborgs First!

{Gameplay}

Keyes hands his pistol to the Chief.

• Captain Jacob Keyes:"I don't keep it loaded, son. You'll have to find ammo as you go."

If the Chief linger next to Captain Keyes:

• Captain Jacob Keyes: "Get moving, Master Chief. There's nothing you can do here."

or

• Captain Jacob Keyes: (angrily) "I gave you an order, soldier. Get off this ship!"

If the Chief stays on the bridge but not next to Captain Keyes:

• Cortana: "We need to get off this ship, Chief, before we're completely overrun by Covenant."

If you use the Pistol to kill Captain Keyes or any crewmen:

• Cortana: (shocked and infuriated) "What the hell are you doing?!"

• Cortana (COM): "Security to the bridge, the Master Chief has gone rampant! Take him down, boys!"

Invincible Marines come in and quickly kill the Master Chief, taunting him afterward.

Continuing, without killing anyone on the bridge, Cortana and Master Chief see groups of Marines engaging the Covenant in the mess hall.

• Cortana: "Those Marines could use some help, Chief! Do what you do best!"

The Chief steps over a body of a dead Marine and picks up an Assault Rifle.

If the Chief takes a hit with his shields down:

• Cortana: (urgently) "Keep your head down! There's two of us in here now, remember?"

• Captain Jacob Keyes (COM): "Combat Teams on decks Seven and Eight, fall back to secondary defensive positions."

The Chief comes across a group of three Marines fighting an Elite. After he helps them kill the Elite, the ship is rocked by a violent explosion.

File:Fixed elite battle.JPG

The three marines that the Chief encounters fighting a Major Elite.

• Marine 1: "What the hell? Did something just hit us?"

• Marine 2: "Move it! Back to the airlock!"

An explosion comes from the airlock, caused by a Covenant boarding vessel crashing into the ship, killing two Marines standing guard next to it. Covenant troops pour into the corridor.

• Captain Jacob Keyes (COM): "Reserve Combat Teams on decks Five through Nine, fall back to secondary defensive positions!"

If the Chief goes inside the Covenant Boarding Craft:

• Cortana: "They're using our lifeboat airlocks to attach their boarding craft. We go out and they come in! Clever bastards..."

When the Chief leaves:

• Marine: "Go on ahead Chief. We will secure this airlock."

• Captain Jacob Keyes (COM): "Crew and Ops personnel on decks One through Four, report to evac stations immediately!"

Upon finding a trio of Marines fighting Covenant while taking cover behind Combat Barriers

• Marine 3: "We're taking fire. We could use a hand!"

• Captain Jacob Keyes (COM): "Ops personnel on decks Nine through Twelve, report to evac stations now!"

As the Chief comes into a room where the Covenant are on a ledge above him.

• Cortana: "Covenant! On the landing above us!"

After the battle on the ledges:

• Captain Jacob Keyes (COM): "All hands, this is the Captain. Prepare to abandon ship! Combat Teams, repel boarders until Ops personnel are away. Good luck. Keyes out."

As the Chief sees a lifepod launching with pulse lasers bursting all around the airlocks.

• Cortana: "The lifepods are launching! We should hurry."

• Captain Jacob Keyes (COM): "All remaining crew and Ops personnel, hit the lifeboats! Fall back to evac stations."

Plasma beams continue to hit the hull. Three lifepods launch from the airlocks in sequence. The third one is hit by enemy fire and explodes.

• Cortana: "The Covenant are destroying the lifepods...they really don't want us on that ring."

As the Chief passes some blast doors:

• Cortana: "Warning! Blast doors closing! (pause) We'll have to use the ship's maintenance access ways. Follow the NAV point, it will lead you to an opening."

• Captain Jacob Keyes (COM): "Combat teams Alpha through November, pull out to nearest evac station!"

Note: The following only occurs in Easy and Normal difficulties.

As the Chief enters the access tunnel:

• Cortana: "I'm detecting Covenant movement outside the access ways. Activating motion tracker. Let's find a safe exit."

The Chief approaches the first door. Red dots surround his position on the motion tracker.

• Cortana: "They're right on top of us! We need to find another way through!"

The Chief finds another locked door. Red dots still appear on the motion tracker.

• Cortana: "We're too close! We need to find another route."

The Chief finds an unlocked door leading into a darkened room.

• Cortana: "Motion tracker shows all clear."

The Chief encounters a broken door.

• Cortana: "Wait. We need to get through that door, but it's been damaged by an explosion. Analyzing... The door's control mechanism is offline, but it's taken a lot of damage. You should be able to bash it open with the butt of your weapon."

The Chief melees the door and it opens.

• Captain Jacob Keyes (COM): "Combat Teams Sierra through Victor, prepare for evac!"

As the Chief crosses through the control room for his cryo bay, he sees a trio of Elites looking around in the bay.

• Cortana: "It looks like the Covenant wanted to catch you napping."

The Elite intruders spot the Master Chief, open fire on him (with no effect due to the glass protection), and soon leave the cryo bay.

The Chief leaves the control room and makes his way to another access tunnel.

A while later, during another fight:

• Captain Jacob Keyes (COM): "All combat personnel, fall back to tertiary defensive positions!"

Later, while the Chief passes through a damaged part of the ship:

• Cortana: "The damage to the superstructure is extensive... I don't know how much more abuse the Autumn can take."

• Captain Jacob Keyes (COM): "Combat Teams, fall back to secondary defensive positions!"

The Chief fights his way to the final airlock

When all of the immediate Covenant forces around the last airlock are defeated:

• Cortana: "There's one last lifeboat! Quickly, get aboard before it launches!"

The Chief enters the last airlock:

Escape

{Cutscene}

File:Escapepod.jpg

The Bumblebee lifeboat hits Installation 04's atmosphere.

• Frightened Marine: (thrown to the ground by an explosion) "Oh no, oh no!" (Picked up by the Chief and thrown into lifepod) "Ahhh!"

• Cortana: "Now would be a very good time to leave!"

The Chief sweeps his rifle into the hallway one last time to check for enemies, and then enters the lifeboat. He grabs onto a handhold on the ceiling, while the Marine he picked up crawls into a seat.

• Master Chief: "Punch it."

• Bumblebee Pilot: (seals her eye visor) "Aye aye, sir!"

The lifeboat launches out of the airlock.

• Bumblebee Pilot: "We're disengaged. Goin' for minimum safe distance."

• Panicking Marine: "We're gonna make it, aren't we, sir? I don't wanna die out here!"

The Chief pats him on the shoulder.

• Cortana: "Look!"

The Chief steps up front. Halo swings into view and the Bumblebee drops towards it

• Marine: "What is that thing, Lieutenant?"

• Bumblebee Pilot: "Hell if I know, but we're landin' on it."

• Panicking Marine: "The Autumn! She's been hit!"

The Chief dashes to the back of the lifeboat, and watches the Autumn.

• Cortana: "I knew it! The Autumn's accelerating, Keyes is going in manually!"

The Autumn is struck multiple times by Plasma Torpedoes.

• Bumblebee Pilot: "Heads up everyone, this is it! We're entering the ring's atmosphere in five!"

• Cortana: "Sure you wouldn't rather take a seat?"

• Master Chief: "We'll be fine."

The Chief grips the sides of the lifeboat, and bends his knees.

• Cortana: "If I still had fingers, they'd be crossed..."

The Bumblebee heads into Installation 04's atmosphere.

Level ends.

Trivia

Glitches

Main article: Glitches

• There is a glitch which allows the player to get back into the cryotube. The player must jump inside the tube and crouch before the cover closes. Once inside, the player will be able to see an apparently decapitated copy of the Master Chief, but once the cover closes, the player will be trapped inside and must load the last checkpoint or restart the level.
• It's possible to stand outside of the energy shield test station while the test is running. Just move carefully into the square and when it starts, the machine will push the player out, freezing the player in place until the process is done.
• There is a glitch in the level that allows the player to carry three weapons instead of only two. Get off the bridge very fast after Keyes gives the player the gun.
• There is also another glitch that allows the player to exit the Pillar of Autumn. If the player goes to the spot where 3 Grunts stand near the 3 launched lifepod stations, the player can crouch on the window looking out into space and, still crouching, slowly move out of the ship.
• Another glitch is if the player finds the Covenant ship that boarded the Pillar of Autumn, if the player stays in the Covenant ship, the player can skip to inside the Truth and Reconciliation.

Mistakes

• Sam Marcus and Thom Shephard are wearing orange fatigues in the beginning cut scene, but during the diagnostic, they are wearing yellow fatigues.
• The officer that shouts to Cortana "Ma'am! Fire Control for the main cannon is offline!" wears blue in the cut scene, however, when the player walks up to him, he wears yellow.
• The pilot in the escape pod also calls the Master Chief "Sir," although she is a lieutenant. Technically, this makes her Master Chief's superior officer, however many other higher ranked Marines also do the same as, more than likely, the current situation where the Master Chief's involvement required him to be in command, meaning he was temporarily in command of them until told otherwise.
• If the player looks closely, the player can see that when the Master Chief's escape pod launches, it still has its rear hatch open.
• Captain Keyes tells the combat forces to pull back to their tertiary (3rd) positions before he tells them to pull back to their secondary (2nd) positions.
• Captain Keyes is wearing the insignia of a Naval Lieutenant when he should be wearing that of a Captain.
• In the cinematic when the player goes to the bridge for the first time, the Pillar of Autumn is hit by an antimatter charge, and the bridge will shake. Captain Keyes and Master Chief will fall on the bridge, but not the crewman behind them.
• In the scene where the Chief greets Captain Keyes, the main view screen has a diagram on it, with an annotation displaying, 'Trajectory FD: Halo,' yet nobody on board the Autumn knows the ring's name. It isn't found out by any of the human characters until Captain Keyes overhears the guards on the Truth and Reconciliation talking about it.
• If one strafes right-to-left on the Autumn's bridge, one can see that Installation 04 only has a diameter of about 50 meters with a width of only a couple feet, while in reality the ring is approximately 1,000 kilometers in diameter and quite a few kilometers in width.
• When given the pistol from Captain Keyes, he is talking with the side of his mouth open as if he was smoking his pipe, but in the cutscene it shows he has no pipe.
• Sometimes, in the cafeteria area, there are 2 Johnsons among the Marines. One of them come out of the door where the minor elite is as normal. The other one is where the rest of the Covenant forces come out of the two doors at the other side of the cafeteria. The second Johnson is pointing his weapon at a pillar that's next to a table. He doesn't attack the Covenant or the player when the rest of the marines think of the player as a traitor. He won't budge unless the player or the Covenant kill him. He'll still do his speeches as normal.

Easter Eggs

Main article: Easter Eggs

• The bulletin board located near the entrance to the bridge has many fliers that can be read, including the flier for the missing cat, Jonesy.
• There is also "The Megg" which looks like an M made from blood and bullets.
• "Keyes" on Captain Keyes' uniform says "Hello my name" above it. The "is" is missing. This is probably due to the fact that it wouldn't fit.

References

• Sergeant Johnson has different dialogue in the first cutscene if the player plays the level on different difficulties, just as he does now in Halo 2 on the levels Template:Levelname and Template:Levelname and in Halo 3 on the level Template:Levelname.
• "Reveille" is French for "waking up", referring to the Chief's cryogenic sleep. It is also the name of the bugle call commonly heard in the U.S. military that is played at sunrise (usually 0500) each day.
• If the players listen to the Naval personnel fighting at the beginning of the level, they will say, "I'm a cowardly fool!" and "Help me! Help you!". In the level Template:Levelname in Halo 3, the construction workers can be heard saying the same lines.
• The phrase "Unseal the Hushed Casket" is a reference to the last line of John Keat's sonnet 'To Sleep'.
• The Naval personnel uniforms look vaguely similar to the uniforms seen in the Star Trek franchise, though they are actually based off of the uniforms worn by the B.O.B.s from the Marathon series.

Miscellaneous

• Sergeant Johnson appears a few times in this level. Firstly, when he is giving his speech to the line of Marines and also appears as the driver of the Warthog in the background at times. He is in the mess hall fighting Covenant. He then sometimes appears guarding a lifeboat airlock, and then is killed in an explosion, and finally appears in the battle with the Covenant on the landing.
• If the player kills an ally from outside the bridge, they will be teleported to the bridge. This is a programmatic measure to prevent the player from escaping the horde of invincible Marines that try to kill them; it stops the player from rushing out of the bridge after killing an ally.
• If the player kills Captain Keyes on the bridge, Cortana will say that the Master Chief has gone "rampant", and a squad of invincible Marines will enter the bridge and kill the player. Alternatively, if the player kills the crewmen next to him, but not Captain Keyes, Cortana will still sound the alarm of the player's rampancy. The bridge's exit doors will be locked down preventing the player from escaping. The player can also kill a crewman, then shoot at a man in a chair. If the player shoots them in the head, they will not die, but the reticule will change from blue to red when the player targets them.
• Sometimes the player has to kill bridge crewmen to trigger the invincible Marines, and sometimes the player only has to injure one.
• In the novel Halo: The Fall of Reach there is a Command Chair on the bridge, but there isn't one in this Level.
• Zuka 'Zamamee was an enemy in this level, but with a different Elite model. By hints from Halo: The Flood, Zuka 'Zamamee is probably the Elite guarding the last escape pod, as this is the setting that the book best describes his prescence.
• Strangely enough, all the Covenant the player finds on your way to the bridge are invincible. This could be so that players cannot take weapons of fallen enemies.
• The soundtracks played in this level includes Brothers in Arms, Enough Dead Heroes, Perilous Journey, and a small section from Suite Autumn.

Preceded by None

Halo Campaign Missions The Pillar of Autumn

Succeeded by Halo