Pick-up station for soldiers. Picking up or letting down only (waiting at the station is prohibited)

What is the meaning of the following traffic sign?

1. Pick-up station. No stopping of commercial vehicles.
2. Parking for soldier transportation vehicles.
3. Soldier pick-up station. Only military vehicles are permitted to stop.
4. Correct answer: Pick-up station for soldiers. Picking up or letting down only (waiting at the station is prohibited).