Fermilab Director Lia Merminga and Mark Thomson, executive chair of the Science and Technology Facilities Council, UK Research and Innovation, sign a certificate to commemorate the international cooperative research and development agreement that fortifies R&D and experimental activities among Fermilab and U.K. institutions for the MAGIS-100 experiment. Also attending the ceremony were DOE Office of High Energy Physics Associate Director, Gina Rameika; Kyle Dolan, attaché from the British Embassy; representatives from the signing universities, Fermilab and the MAGIS-100 collaboration; and additional representatives from DOE. Photo: Ryan Postel, Fermilab