 A separate three-section extendable ladder, the Magirus ladder, was used for areas of an erected rocket not accessible via the "Meillerwagen".The hydrogen peroxide tank on the Meillerwagen (126 litres) was filled from a 2120-litre tank truck with its own pump, then the rocket was filled from the "Meillerwagen" tank.Additional "Meillerwagen" piping included the following.