Two hundred and forty-one days above a fractured world, three astronauts returned to the Kazakh steppe as quiet proof that some human endeavors outlast the conflicts below them. NASA's Chris Williams and Russian cosmonauts Sergei Kud-Sverchkov and Sergei Mikaev completed their ISS mission on Sunday, landing southeast of Dzhezkazgan even as the nations they represent remain locked in geopolitical tension over Ukraine. Their return — and the seamless arrival of a new mixed crew just weeks prior — speaks to something older than politics: the stubborn persistence of shared purpose when the stakes