Electronic Components / Space Engineering & Technology / Our Activities / ESA European Space Agency, Moon, Mars, sun, space exploration, probes, missions, satellites, launchers, international space station, ISS, telecommunications, earth observation, navigation, astronauts, solar system, universe, remote sensing, space news, ESA, environment, monitoring, astronomy, Ariane, rocket, Galileo, comet, education, Venus The development of advanced payloads and spacecraft control systems depends on the ready availability of high-performance and high-reliability components. Most space hardware is inaccessible for repair. At the same time, challenges are posed by the disappearance of older technologies and components which need to be replaced.