How to complete Return on Investment 5 contract in Marathon - Rigged UESC supply container location in Canal

The Return on Investment 5 contract in Marathon helps you complete the questline, and the final job is relatively simple.

The action takes place on the Dire Marsh map, but it’s a contested contract. In simple words, only one player/group can complete the contract in a run. Once it’s completed in a round, nobody else will be able to participate in the task. Let’s quickly look at how to complete the contract, which comprises two tasks.

Marathon Return on Investment 5 contract guide

Here are the two tasks of the Return on Investment 5 contract.

Hack rigged the UESC supply container in Canal
Exfil UESC stockpile

How to hack rigged UESC supply container in Canal

The first task for this contract requires you to travel to the Canal location on the Dire Marsh map. I have marked the location of the building to make it easier for you to find it. If you want to go through the main entrance, you’ll need to disable the red boxes that are located inside the room.

Screenshot and remix by Destructoid

You can aim and shoot at them to bring down the laser barriers. This will allow you to go inside the room without taking in the debuff. Alternatively, you can enter from the top and drop down using a ladder hatch. However, it’s easier just to disable the lasers and go inside the room.

The laser-protected room in Canal — Image via Bungie

While there are no quest markers for this contract, the required box or supply container is located right in the middle of the room. Activate the container, and you’ll need to survive two waves of UESC enemies. Some of the enemies will have a large pool of health, so you should have your ammo restocked before hacking the supply container.

The rigged supplies container — Image via Bungie

Once the enemies are taken out, return to the container. You’ll find the UESC supplies within the container. Pick it up and place it in your backpack. Then, safely exfil from the map, and you’ll complete the fifth and final Return on Investment contract. If you are unable to exfil with the UESC supplies item obtained from the container, you’ll need to restart from the beginning on a fresh run.