Marathon Airfield Key – Outpost Unlock Location Guide

In this Marathon guide, I show you exactly where the Airfield Key is used on the Outpost map and what it unlocks.

If you’ve found this key but don’t know which door it opens, this walkthrough shows the precise unlock location and what’s inside.

🔑 Key: Airfield Key
🗺 Map: Outpost
🎯 Includes: Exact unlock location + interior walkthrough

This guide focuses on how to use the key, not how to obtain it.

I’m covering every key across every Marathon map including Perimeter and Dire Marsh.

Subscribe for more Marathon key guides, map walkthroughs and unlock locations.

Видео Marathon Airfield Key – Outpost Unlock Location Guide канала Gilboa