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{{Status|Gameplay}}
{{Status|Gameplay}}
{{Disambig header|the audio logs found in [[Halo 4]]|other uses|Audio log}}
{{Disambig header|the audio logs found in [[Halo 4]]|other uses|Audio log}}
{{Image}}
'''''Halo 4'' audio logs''' are terminals that contain in-universe information found in various ''[[Halo 4]]'' [[campaign]] levels. While most of them are found in [[Ivanoff Station]] on the level [[Composer (level)|Composer]], some logs are found on other levels as well.
'''''Halo 4'' audio logs''' are terminals that contain in-universe information found in various ''[[Halo 4]]'' [[campaign]] levels. While most of them are found in [[Ivanoff Station]] on the level [[Composer (level)|Composer]], some logs are found on other levels as well.


==Dawn==
==Dawn==
===Spartan John-117's service record===
===Spartan John-117's service record===
[[File:HTMCC-H4 AudioLog Dawn 1.png|thumb|200px|The console under the walkway.]]
'''Location:''' Under the very first walkway on the level [[Dawn]].
'''Location:''' Under the very first walkway on the level [[Dawn]].
'''Note:''' Although the ''Pillar of Autumn'' is a [[Halcyon-class light cruiser|cruiser]], the service record misclassifies it as a frigate. Because the transcript classifies it as frigate, it will be named so here too. Finding this log unlocks the [[Digging up the Past]] achievement for {{Gamerscore|20}} in ''Halo 4'', and {{Gamerscore|5}} in ''[[Halo: The Master Chief Collection]]''.


'''Transcript:'''
'''Transcript:'''
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*'''System:''' "Aboard the aft section of the dawn, SPARTAN-117 is placed into [[cryo]] sleep pending recovery by UNSC forces. A.I. Cortana to remain active as long as is technically feasible."
*'''System:''' "Aboard the aft section of the dawn, SPARTAN-117 is placed into [[cryo]] sleep pending recovery by UNSC forces. A.I. Cortana to remain active as long as is technically feasible."
*'''System:''' "End of service record."<ref name="Dawn">'''Halo 4''', campaign level ''Dawn''</ref>
*'''System:''' "End of service record."<ref name="Dawn">'''Halo 4''', campaign level ''Dawn''</ref>
{{clear}}
 
===Systems check===
===Systems check===
[[File:HTMCC-H4 AudioLog Dawn 2.png|thumb|200px|The console in front of the hologram of the ''Dawn''.]]
'''Location:''' Near the very beginning of the level, in front of the Forward Unto Dawn hologram.
'''Location:''' Near the very beginning of the level, in front of the ''Forward Unto Dawn''{{'}}s hologram.


'''Transcript:'''
'''Transcript:'''
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*'''System:''' "Bow hull integrity compromised."
*'''System:''' "Bow hull integrity compromised."
*'''System:''' "Life support online."{{Ref/Reuse|Dawn}}
*'''System:''' "Life support online."{{Ref/Reuse|Dawn}}
{{clear}}
 
==Requiem==
==Requiem==
[[File:HTMCC-H4 AudioLog Requiem 1.png|thumb|200px|The overturned console in the wreckage.]]
===Cortana's origin===
===Cortana's origin===
'''Location:''' In a wreckage near the beginning of the level. It is near the wreckage the [[SAW]] is found.
'''Location:''' In a wreckage near the beginning of the level. It is near the wreckage the [[SAW]] is found.
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*'''Halsey:''' "Thus far, I've determined that the unique circumstances of her creation have triggered what I can only refer to as a recessive variant in the [[A.I.]] seed."  
*'''Halsey:''' "Thus far, I've determined that the unique circumstances of her creation have triggered what I can only refer to as a recessive variant in the [[A.I.]] seed."  
*'''Halsey:''' "As her architect, I'm currently at a loss as to the origin of the development of this rogue element. Very curious."<ref name="Requiem">'''Halo 4''', campaign level ''Requiem''</ref>
*'''Halsey:''' "As her architect, I'm currently at a loss as to the origin of the development of this rogue element. Very curious."<ref name="Requiem">'''Halo 4''', campaign level ''Requiem''</ref>
{{clear}}
 
===Covenant's motivations===
===Covenant's motivations===
[[File:HTMCC-H4 AudioLog Requiem 2.png|thumb|200px|The Covenant console in the wreckage.]]
'''Location:''' In a wreckage near the beginning of the level.
'''Location:''' In a wreckage near the beginning of the level.
'''Note''': All dialogue in this Audio log is spoken in [[Sangheili (language)|Sangheili]], and translated into English by Cortana.  
'''Note''': All dialogue in this Audio log is spoken in [[Sangheili (language)|Sangheili]], and translated into English by Cortana.  
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'''Transcript:'''
'''Transcript:'''
*'''Cortana:''' "Non-believers walk the sacred ground. Purge the heretics, so they not foul the air of Paradise. The time has come to enter the Great Light. The [[Promethean]] awakening is nigh, our reward is at hand."{{Ref/Reuse|Requiem}}
*'''Cortana:''' "Non-believers walk the sacred ground. Purge the heretics, so they not foul the air of Paradise. The time has come to enter the Great Light. The [[Promethean]] awakening is nigh, our reward is at hand."{{Ref/Reuse|Requiem}}
{{clear}}
 
===Didact===
===Didact===
[[File:HTMCC-H4 AudioLog Requiem 3.png|thumb|200px|The console on the Lich's hull.]]
'''Location:''' In a wreckage near the beginning of the level.
'''Location:''' In a wreckage near the beginning of the level.


'''Transcript:'''
'''Transcript:'''
*'''Unknown Sangheili:''' "[[Didact]]..." <small>(The same word is repeated every few seconds.)</small>{{Ref/Reuse|Requiem}}
*'''Unknown Sangheili:''' "[[Didact]]..." <small>(The same word is repeated every few seconds.)</small>{{Ref/Reuse|Requiem}}
{{clear}}
 
===Mantle===
===Mantle===
[[File:Halo 4 Mantle inGame.jpg|thumb|200px|The Forerunner glyph.]]
'''Location:''' In the large chamber with map of Requiem, in the middle on the lowest floor.
'''Location:''' In the large chamber with map of Requiem, in the middle on the lowest floor.
'''Note''': The Forerunner glyph is translated by [[Cortana]]. The glyph itself is cosmetically the same as the Icon in the ONI lab on [[Ivanoff Station]].
'''Note''': The Forerunner glyph is translated by [[Cortana]]. The glyph itself is cosmetically the same as the Icon in the ONI lab on [[Ivanoff Station]].
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*'''Cortana:''' "Guardianship for all living things lies with those whose evolution is most complete."  
*'''Cortana:''' "Guardianship for all living things lies with those whose evolution is most complete."  
*'''Cortana:''' "The Mantle of Responsibility shelters all."
*'''Cortana:''' "The Mantle of Responsibility shelters all."
{{clear}}
 
==Infinity==
==Infinity==
===Infinity Shipwide Waypoint Network===
===Infinity Shipwide Waypoint Network===
[[File:HTMCC-H4 AudioLog Infinity 1.png|thumb|200px|The console (center) on the left side of the wall.]]
'''Location:''' On the console in the point where the first and second hallway meet when you pilot the Mantis. It should be facing the second hallway.
'''Location:''' On the console in the point where the first and second hallway meet when you pilot the Mantis. It should be facing the second hallway.
Look for a flickering screen.
Look for a flickering screen.
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'''Transcript:'''
'''Transcript:'''
*'''System:''' "Infinity Shipwide Waypoint Network currently offline."
*'''System:''' "Infinity Shipwide Waypoint Network currently offline."
{{clear}}
 
===Difficulty processing===
===Difficulty processing===
[[File:HTMCC-H4 AudioLog Infinity 2.png|thumb|200px|The console (left) near the end of the corridor.]]
'''Location:''' On the console in the very end of the first corridor out of the Mantis' bay on the left side. This screen is very dim and is of the same shape as the last one.
'''Location:''' On the console in the very end of the first corridor out of the Mantis' bay on the left side. This screen is very dim and is of the same shape as the last one.


'''Transcript:'''  
'''Transcript:'''  
*'''System:''' "Welcome to the Infinity Shipwide Waypoint Network. For more information concerning-I'm sorry. We are currently having difficulty processing your request due to the high volume of-"{{Ref/Reuse|Infinity}}
*'''System:''' "Welcome to the Infinity Shipwide Waypoint Network. For more information concerning-I'm sorry. We are currently having difficulty processing your request due to the high volume of-"{{Ref/Reuse|Infinity}}
{{clear}}
 
===Huragok reserve===
===Huragok reserve===
[[File:HTMCC-H4 AudioLog Infinity 3.png|thumb|200px|The door (bottom right) on the right side of the hallway.]]
'''Location:''' Small door along right wall of second corridor in the beginning of third corridor.
'''Location:''' Small door along right wall of second corridor in the beginning of third corridor.


'''Transcript:'''  
'''Transcript:'''  
*'''System:''' "Access denied. [[Huragok]] population reserve accepts absolutely no personnel during category three emergency states and higher."
*'''System:''' "Access denied. [[Huragok]] population reserve accepts absolutely no personnel during category three emergency states and higher."
{{clear}}
 
===Cargo unit to Ivanoff===
===Cargo unit to Ivanoff===
[[File:HTMCC-H4 AudioLog Infinity 4.png|thumb|200px|The door near the end of the corridor with two bridges.]]
'''Location:''' Small door further on past Huragok reserve door.
'''Location:''' Small door further on past Huragok reserve door.


'''Transcript:'''  
'''Transcript:'''  
*'''System:''' "Cargo unit, Lot 225. Destination: [[Ivanoff Station]]. Please consult the Manifest Director if you require immediate access."
*'''System:''' "Cargo unit, Lot 225. Destination: [[Ivanoff Station]]. Please consult the Manifest Director if you require immediate access."
{{clear}}
 
===S-deck===
===S-deck===
[[File:HTMCC-H4 AudioLog Infinity 5.png|thumb|200px|The door (right) behind a horizontal crate.]]
'''Location:'''  Right of small door at very end of third corridor.
'''Location:'''  Right of small door at very end of third corridor.


'''Transcript:'''  
'''Transcript:'''  
*'''System:''' "All S-deck access is restricted until shipwide quarantine has been lifted."
*'''System:''' "All S-deck access is restricted until shipwide quarantine has been lifted."
{{clear}}
 
===Forerunner engine===
===Forerunner engine===
[[File:HTMCC-H4 AudioLog Infinity 6.png|thumb|200px|The console (left) near the partially constructed Mantis.]]
'''Location:''' Before the elevator to Infinity's outer hull, adjacent to the partially constructed Mantis' legs. Look for a small console left of the machine gun mantis arm.
'''Location:''' Before the elevator to Infinity's outer hull, adjacent to the partially constructed Mantis' legs. Look for a small console left of the machine gun mantis arm.


'''Transcript:'''  
'''Transcript:'''  
*'''System:''' Maintenance request concerning the [[Shaw-Fujikawa Translight Engine#Macedon|Mark Ten Macedon Z-PROTOTYPE]] Forerunner engine cannot be processed at this time.
*'''System:''' Maintenance request concerning the [[Shaw-Fujikawa Translight Engine#Macedon|Mark Ten Macedon Z-PROTOTYPE]] Forerunner engine cannot be processed at this time.
{{clear}}
 
===Sub-vessel bay===
===Sub-vessel bay===
[[File:HTMCC-H4 AudioLog Infinity 7.png|thumb|200px|The console (right) with the elevator in the background.]]
'''Location:''' Before the elevator to Infinity's outer hull, opposite the partially constructed Mantis head that is next to the Mantis legs. Another small console is what you are looking for.
'''Location:''' Before the elevator to Infinity's outer hull, opposite the partially constructed Mantis head that is next to the Mantis legs. Another small console is what you are looking for.


'''Transcript:'''
'''Transcript:'''
*'''System:''' Sub-vessel deployment bay is currently off limits to unauthorized personnel. Please see the local Deck Officer for further assistance.
*'''System:''' Sub-vessel deployment bay is currently off limits to unauthorized personnel. Please see the local Deck Officer for further assistance.
{{clear}}
 
==Reclaimer==
==Reclaimer==
'''Location:''' Several logs can be found by interacting with the consoles inside the [[M510 Mammoth|Mammoth]].
'''Location:''' Several logs can be found by interacting with the consoles inside the [[M510 Mammoth|Mammoth]].
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==Shutdown==
==Shutdown==
===Wargames===
===Wargames===
[[File:HTMCC-H4 AudioLog Shutdown 1.png|thumb|200px|The console with the Pelican in the background.]]
'''Location:''' First room overlooking the hangar, containing one Marine.
'''Location:''' First room overlooking the hangar, containing one Marine.


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*'''Announcer:''' "Spartan wargames scoreboard not available during departure."
*'''Announcer:''' "Spartan wargames scoreboard not available during departure."
*'''Announcer:''' "Return later for more [[Red vs. Blue|red versus blue]] carnage."<ref name="Shutdown">'''Halo 4''', campaign level ''Shutdown''</ref>
*'''Announcer:''' "Return later for more [[Red vs. Blue|red versus blue]] carnage."<ref name="Shutdown">'''Halo 4''', campaign level ''Shutdown''</ref>
{{clear}}
 
===Infinity Logistics===
===Infinity Logistics===
[[File:HTMCC-H4 AudioLog Shutdown 2.png|thumb|200px|The console with the Pelican in the background.]]
'''Location:''' Second overlooking the hangar, containing one Officer and one Marine
'''Location:''' Second overlooking the hangar, containing one Officer and one Marine


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*'''System:''' "Cargo manifest correction. All pallets bound for Ivanoff Station should be restowed until further notice."
*'''System:''' "Cargo manifest correction. All pallets bound for Ivanoff Station should be restowed until further notice."
*'''System:''' "Information for all hands regarding Infinity return voyage to Cairo Station, Earth. All personnel are to remain upon Infinity until fully debriefed by their ranking officer. For further information, please contact Lt Cmdr Phillips, Security Deck 1."{{Ref/Reuse|Shutdown}}
*'''System:''' "Information for all hands regarding Infinity return voyage to Cairo Station, Earth. All personnel are to remain upon Infinity until fully debriefed by their ranking officer. For further information, please contact Lt Cmdr Phillips, Security Deck 1."{{Ref/Reuse|Shutdown}}
{{clear}}
 
==Composer==
==Composer==
===Activation Index===
===Activation Index===
[[File:HTMCC-H4 AudioLog Composer 1.png|thumb|200px|The console with the container holding the activation index.]]
'''Location:''' In the room where two [[Mgalekgolo|Hunters]] are fought, shortly after clearing the hangar.
'''Location:''' In the room where two [[Mgalekgolo|Hunters]] are fought, shortly after clearing the hangar.


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*'''Tim:''' "Key component in the activation and firing of the Halo weapon, a few of us have been speculating lately if it has [[Conservation Measure|secondary and tertiary purposes]] as well."
*'''Tim:''' "Key component in the activation and firing of the Halo weapon, a few of us have been speculating lately if it has [[Conservation Measure|secondary and tertiary purposes]] as well."
*'''Tim:''' "Theories still forthcoming."<ref name="Composer">'''Halo 4''', campaign level ''Composer''</ref>
*'''Tim:''' "Theories still forthcoming."<ref name="Composer">'''Halo 4''', campaign level ''Composer''</ref>
{{clear}}
 
===Icon===
===Icon===
[[File:HTMCC-H4 AudioLog Composer 2.png|thumb|200px|The console with the container holding the Forerunner glyph.]]
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar.
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar.


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*'''Dr. Tillson:''' "Icon is similar to other [[Forerunner symbols|Forerunner glyphs]], with the noted exception of a strong, vertical extrusion."  
*'''Dr. Tillson:''' "Icon is similar to other [[Forerunner symbols|Forerunner glyphs]], with the noted exception of a strong, vertical extrusion."  
*'''Dr. Tillson:''' "Going to send this to Linguistics but... I don't know. My gut's telling me there's something else here."{{Ref/Reuse|Composer}}
*'''Dr. Tillson:''' "Going to send this to Linguistics but... I don't know. My gut's telling me there's something else here."{{Ref/Reuse|Composer}}
{{clear}}
 
===Specimen 1534===
===Specimen 1534===
[[File:HTMCC-H4 AudioLog Composer 3.png|thumb|200px|The console (right) with the container holding the Forerunner device.]]
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar.
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar.


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*'''Scientist:''' "Reticular hazing also implies use as a beam focuser: could have done double-duty as a weapon sight."  
*'''Scientist:''' "Reticular hazing also implies use as a beam focuser: could have done double-duty as a weapon sight."  
*'''Scientist:''' "Passing off to SPEC-WAR for further testing."{{Ref/Reuse|Composer}}
*'''Scientist:''' "Passing off to SPEC-WAR for further testing."{{Ref/Reuse|Composer}}
{{clear}}
 
===System-wide outages===
===System-wide outages===
[[File:HTMCC-H4 AudioLog Composer 3.png|thumb|200px|The console (left) with the empty container.]]
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar. Also in the open area where the [[HRUNTING/YGGDRASIL Mark IX Armor Defense System|Mantis']] can be found.
'''Location:''' In the room where two Hunters are fought, shortly after clearing the hangar. Also in the open area where the [[HRUNTING/YGGDRASIL Mark IX Armor Defense System|Mantis']] can be found.


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'''Transcript:'''
'''Transcript:'''
*'''System:''' "I'm sorry. We are currently experiencing system-wide outages. If you require immediate assistance, contact Infrastructure, 048."{{Ref/Reuse|Composer}}
*'''System:''' "I'm sorry. We are currently experiencing system-wide outages. If you require immediate assistance, contact Infrastructure, 048."{{Ref/Reuse|Composer}}
{{clear}}
 
===Halsey's observations===
===Halsey's observations===
[[File:HTMCC-H4 AudioLog Composer 4.png|thumb|200px|The data pads on the table.]]
'''Location:''' A [[data pad]] on a desk, behind a window at the back of the room where two Hunters are fought.
'''Location:''' A [[data pad]] on a desk, behind a window at the back of the room where two Hunters are fought.


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*'''Halsey:''' "One of the teams stumbled upon [[Composer|a device]] remarkably similar to the AI Matrix Compiler currently in use by the UNSC."
*'''Halsey:''' "One of the teams stumbled upon [[Composer|a device]] remarkably similar to the AI Matrix Compiler currently in use by the UNSC."
*'''Halsey:''' "Seeing as how I designed that particular compiler, this finding, needless to say, has piqued my curiosity."{{Ref/Reuse|Composer}}
*'''Halsey:''' "Seeing as how I designed that particular compiler, this finding, needless to say, has piqued my curiosity."{{Ref/Reuse|Composer}}
{{clear}}
 
===Phosphorous test===
===Phosphorous test===
[[File:HTMCC-H4 AudioLog Composer 5.png|thumb|200px|The console with the Composer in the background.]]
'''Location:'''  In the open area in front of a rock that is on the right side of the Composer.
'''Location:'''  In the open area in front of a rock that is on the right side of the Composer.


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*'''Scientist:''' "Phosphorous Test 72. We had some luck yesterday breaking the connection between the artifact and the surrounding terrain."
*'''Scientist:''' "Phosphorous Test 72. We had some luck yesterday breaking the connection between the artifact and the surrounding terrain."
*'''Scientist:''' "I'm going to see if adjusting the elemental density ... what the hell was that?"{{Ref/Reuse|Composer}}
*'''Scientist:''' "I'm going to see if adjusting the elemental density ... what the hell was that?"{{Ref/Reuse|Composer}}
{{clear}}
 
===Ceased transmission===
===Ceased transmission===
[[File:HTMCC-H4 AudioLog Composer 6.png|thumb|200px|The console with the Composer in the background.]]
'''Location:''' In the open area where the [[Mantis]]' can be found. Behind a Forerunner spire.
'''Location:''' In the open area where the [[Mantis]]' can be found. Behind a Forerunner spire.


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*'''Tim:''' "This is [[Tim Pherson]]. [[Sandra Tillson|Sandy]] asked me to make an addendum to the last observation log on Specimen 1101."
*'''Tim:''' "This is [[Tim Pherson]]. [[Sandra Tillson|Sandy]] asked me to make an addendum to the last observation log on Specimen 1101."
*'''Tim:''' "We're still going over the logs, but we now believe the transmission stopped emanating from the artifact approximately 0900 on the 21st."{{Ref/Reuse|Composer}}
*'''Tim:''' "We're still going over the logs, but we now believe the transmission stopped emanating from the artifact approximately 0900 on the 21st."{{Ref/Reuse|Composer}}
{{clear}}
 
===Artifact test===
===Artifact test===
[[File:HTMCC-H4 AudioLog Composer 7.png|thumb|200px|The console next to the UNSC devices.]]
'''Location:''' In the open area where the Mantises can be found. In front of a group of rocks on the see-through floor.
'''Location:''' In the open area where the Mantises can be found. In front of a group of rocks on the see-through floor.


Line 225: Line 205:


*'''Scientist:''' "I don't know WHAT it's doing. Rerunning the sensor leads now."{{Ref/Reuse|Composer}}
*'''Scientist:''' "I don't know WHAT it's doing. Rerunning the sensor leads now."{{Ref/Reuse|Composer}}
{{clear}}
 
===Something big===
===Something big===
[[File:HTMCC-H4 Terminal 6.jpg|thumb|200px|The console near the terminal.]]
'''Location:''' In front of the [[Terminal (Halo 4)|terminal]], near some crates and equipment.
'''Location:''' In front of the [[Terminal (Halo 4)|terminal]], near some crates and equipment.


Line 234: Line 213:


*'''Scientist:''' "I'm initiating a full redundancy cycle on the chromatics data, but in the event it doesn't go through, I'm going to store a hard dump of the same in the #31 Maintenance shed!"{{Ref/Reuse|Composer}}
*'''Scientist:''' "I'm initiating a full redundancy cycle on the chromatics data, but in the event it doesn't go through, I'm going to store a hard dump of the same in the #31 Maintenance shed!"{{Ref/Reuse|Composer}}
==Achievements==
The following [[achievement]]s can be unlocked.
{| class="wikitable"
|-
! scope="col" style="width:135px;text-align:center;" |'''''Halo 4'' (Xbox 360)'''
! scope="col" style="width:135px;text-align:center;" |'''''Halo: MCC'' (Xbox One)'''
! scope="col" style="width:135px;text-align:center;" |'''''Halo: MCC'' (Steam)'''
! scope="col" style="width:175px;height:20px;text-align:center;" |'''Title'''
! scope="col" style="width:350px;height:20px;text-align:center;" |'''Unlock requirement'''
! scope="col" style="width:200px;height:20px;text-align:center;" |'''Games'''
|-align="center"
|[[File:Digging up the Past.png|64px]]
|N/A
|N/A
|[[Digging up the Past]]
|In Mission 1, find and access Chief's record.
|''[[Halo 4]]''
|-align="center"
|N/A
|[[File:HTMCC H4 Achievement DiggingupthePast.png|75px]]
|[[File:HTMCC H4 Achievement Steam DiggingupthePast.jpg]]
|[[Digging up the Past]]
|Halo 4: Access the Master Chief's records on Dawn.
|''[[Halo: The Master Chief Collection]]''
|}


==Sources==
==Sources==

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