For this step you maxis drone is required
You need to collect three parts around the map to build the drone.
Brain, located on the table in the starting room
Body, This can be found In the ice tunnel at generator 6 or, on the tank path leading from the church.
Rotor, This can be foound in the ice tunnel at generator 6, near pack a punch or inside the mound on top of box on scaffolding.
Take the maxis drone to the location in step (generator 5) and release the maxis drone. It will fly into the pit and soon after ten Panzer Soldaten will come out of it. Kill them all to proceed to the next step.