New Zealand Prime Minister Christopher Luxon (2nd-L), Australian Prime Minister Anthony Albanese (2nd-R), New Zealand Synchrotron Group director Brett Cowan (L) and Australia Synchrotron Group and Nuclear Science and Technology Organisation (ANSTO) director Michael James smile after the signing of a preferred access agreement following the annual AustraliaNew Zealand Leaders' Meeting in Noosa on June 6, 2026. (Photo by Patrick HAMILTON / AFP via Getty Images)