THE GLIDERS INITIATE THEIR TAKEOFF FROM THE PARKING AREA AND MOVE ON TO THE RUNWAY AS THEY ARE TOWED BY THE TOW PLANE. A VEHICLE WAS LEFT PARKED NEXT TO THE RUNWAY BETWEEN A GLIDER AND THE TOW PLANE. AS THE GLIDER WAS BEING TOWED, AND MOVED ONTO THE RUNWAY, THE LEFT WING STRUCK THE UNOCCUPIED VEHICLE.