The challenge is simple. A pit drive really. However it tests the crews ability to come out unharmed from a difficult situation. When you go in the vehicle is facing forwards and there is not enough room for you to turn the vehicle at the dead end. So only way out is to reverse it through the dog leg exit. Spotter and driver have to be careful not to damage the side panels of the vehicle while going through this one. Limited visibility hampers the driving as you are about six feet deep in to the ground.