Marathon
Marathon Ordnance Heist (Nov 10–24): Firestorm Locker Guide
Short answer. Ordnance Heist is live in Marathon from November 10 to November 24, 2026: hunt UESC on Perimeter for a key template, finish its objective on Dire Marsh, exfil to turn it into a key, and open a Firestorm Locker with that single key. If you want the locker