How to complete Data Reconstruction 3 in Marathon – data repository and AI maintenance protocol locations

The Data Reconstruction 3 contract is a priority mission in Marathon for the NuCaloric faction, and there are two difficult tasks to complete. Spread across multiple locations in the Perimeter map, the Data Reconstruction 3 contract requires you to hack two data repositories. Then, you'll also need to download AI maintenance and successfully exfil to complete the contract.Table of contentsMarathon Data Reconstruction 3 contract walkthroughHow to complete hack two exterior Data Repositories in North or South RelayHow to complete the download AI Maintenance Protocol from HaulerMarathon Data Reconstruction 3 contract walkthrough The Data Reconstruction 3 contract can be broken down into three separate tasks.Hack two exterior Data Repositories in North or South RelayDownload the AI Maintenance Protocol from HaulerExfil successfullyHow to complete hack two exterior Data Repositories in North or South Relay Screenshot and remix by Destructoid All the action for this contract takes place on the Perimeter map. To download the exterior data repositories, you can either visit the North Relay or the South Relay. You don't have to visit both to complete the task. For this contract, I visited the South Relay. While I have marked the locations of the two Data Repositories in the image above, you'll need to look for towers. You'll find Orange and Cyan-colored towers at this location. The Data Repositories will be located on these towers (refer to the images below). Image via Bungie There is no pre-determined order for hacking the Data Repositories. Additionally, the locations appear to be fixed, which will make it easier for you to find them. The first Data Repository is near the UESC comms antenna building in the South Tower location. Image via Bungie Once you find it, move to the south of the map (and west of its location). Keep following the towers, and you'll come across cyan-colored towers. The second data Repository will be on this tower.How to complete the download AI Maintenance Protocol from Hauler The second task will require you to travel west from the South Relay (it's closer to the North Relay location). The gigantic rig has multiple points of entrance, and the AI maintenance protocol is located on the second floor. Screenshot and remix by Destructoid The task gets easier if you enter from the western side. Look carefully, and you'll find a door (in the image below) with a big "3" located by the entrance. Go inside and keep moving straight through the rooms until you find the stairs. Image via Bungie Once you get to the second floor, move straight through the two rooms until you reach a spot with two doors in front of you. Once you reach that location, you'll have the quest marker appear on your screen. Keep following it, and you'll eventually reach the AI Protocol. Image via Bungie Interact with it to complete the download, and this will finish the second task. To finish the contract, you'll need to exfil successfully. If you fail at this step, you'll need to finish fresh from the first task. The post How to complete Data Reconstruction 3 in Marathon – data repository and AI maintenance protocol locations appeared first on Destructoid.

Mar 1, 2026 - 19:02

How to complete Data Reconstruction 3 in Marathon – data repository and AI maintenance protocol locations

The Data Reconstruction 3 contract is a priority mission in Marathon for the NuCaloric faction, and there are two difficult tasks to complete.

Spread across multiple locations in the Perimeter map, the Data Reconstruction 3 contract requires you to hack two data repositories. Then, you'll also need to download AI maintenance and successfully exfil to complete the contract.

Table of contents

Marathon Data Reconstruction 3 contract walkthrough
- How to complete hack two exterior Data Repositories in North or South Relay
- How to complete the download AI Maintenance Protocol from Hauler

Marathon Data Reconstruction 3 contract walkthrough

The Data Reconstruction 3 contract can be broken down into three separate tasks.

Hack two exterior Data Repositories in North or South Relay
Download the AI Maintenance Protocol from Hauler
Exfil successfully

How to complete hack two exterior Data Repositories in North or South Relay

Screenshot and remix by Destructoid All the action for this contract takes place on the Perimeter map. To download the exterior data repositories, you can either visit the North Relay or the South Relay. You don't have to visit both to complete the task. For this contract, I visited the South Relay.

While I have marked the locations of the two Data Repositories in the image above, you'll need to look for towers. You'll find Orange and Cyan-colored towers at this location. The Data Repositories will be located on these towers (refer to the images below).

Image via Bungie There is no pre-determined order for hacking the Data Repositories. Additionally, the locations appear to be fixed, which will make it easier for you to find them. The first Data Repository is near the UESC comms antenna building in the South Tower location.

Image via Bungie Once you find it, move to the south of the map (and west of its location). Keep following the towers, and you'll come across cyan-colored towers. The second data Repository will be on this tower.

How to complete the download AI Maintenance Protocol from Hauler

The second task will require you to travel west from the South Relay (it's closer to the North Relay location). The gigantic rig has multiple points of entrance, and the AI maintenance protocol is located on the second floor.

Screenshot and remix by Destructoid The task gets easier if you enter from the western side. Look carefully, and you'll find a door (in the image below) with a big "3" located by the entrance. Go inside and keep moving straight through the rooms until you find the stairs.

Image via Bungie Once you get to the second floor, move straight through the two rooms until you reach a spot with two doors in front of you. Once you reach that location, you'll have the quest marker appear on your screen. Keep following it, and you'll eventually reach the AI Protocol.

Image via Bungie Interact with it to complete the download, and this will finish the second task. To finish the contract, you'll need to exfil successfully. If you fail at this step, you'll need to finish fresh from the first task.

The post How to complete Data Reconstruction 3 in Marathon – data repository and AI maintenance protocol locations appeared first on Destructoid.

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