From the ancient steppes of Kazakhstan, a Russian rocket rose once more toward the International Space Station, carrying three tons of provisions across the boundary between Earth and orbit. The Progress MS-35, an unmanned workhorse in a lineage stretching back to the Soviet era, continues a supply chain that has outlasted the political climates that once gave it birth. In an age of fractured alliances, the station's hunger for fuel, food, and equipment remains one of the few forces still binding former rivals to a common purpose.