Aerospace Propulsion Products B.V. (APP) is a joint venture of Stork and TNO. APP develops and produces igniters for the engines of the space launchers Ariane V and VEGA. APP is the european teamleader for the development of a powerful non chlorinated oxidizer (hydrazinium nitroformate). Space technology is also applied to the development and production of (cool) gasgenerators for a.o. industrial and medical applications (i.e. explosion suppression systems and medical oxygen generators)