Cabinet Member Fabrice Comptour (left), ESA Director General Josef Aschbacher (second from left) and then European Commissioner for Internal Market, including for defence, industry and space, Thierry Breton (third from left) during a visit to the Navigation Laboratory at ESA ESTEC in Noordwijk, the Netherlands on 7 September 2021. They are being shown a Galileo passive hydrogen maser atomic clock by Andrea Cotellessa, Head of ESA’s Galileo Space Segment Management Office in 2025.