Look for a ladder inside, and then climb up it and across the wall to find a terminal that will let you move the drone. (primagames.com)
My thought was to have the leave ribbon climbing up something so I did just that! (ribbonsandglue.com)
The stage starts off on an elevator platform that has robotic arms that grab the surrounding walls and climbs up it until it reaches the rooftop. (tekkengamer.com)