The Ground Fall event introduces two new elements to Warzone – Uplink Stations and crashed Satellites.
Despite what the map changes for Season 4 might suggest, the already downed Satellites are not what you’re after – instead, you must crash a Satellite yourself.
This page explains how Uplink Stations and crashed Satellite locations work, but long story short, in our experience it involves some luck in finding them – so play as you normally would, and keep your eyes on the skies…