Drone bug with a sledgehammer
The drone can carry friendlies to buildings inaccessible to those without a heli or jet to get to. They are having a friendly jump on it and hit the drone with a sledge hammer causing it to launch in...
Ideas
Saw people exploiting this in Siege of Cario today. They were able to go so high they needed parashoots to come down onto rooftops where they would float/fly above the rooftops and shoot down. See attached screenshot showing a person floating in the air: