SpaceX's 35th commercial resupply mission launched at 6:33 a.m. EDT on Tuesday, October 13, 2026, from Cape Canaveral Space Force Station in Florida, carrying more than 6,300 pounds of supplies, experiments, and hardware to the International Space Station aboard a Falcon 9 rocket and Dragon spacecraft. Dragon is scheduled to autonomously dock at the space-facing port of the station's Harmony module at 11 a.m. on Thursday, October 15. The marquee cargo item is the final pair of International Space Station Roll-Out Solar Arrays (iROSAs), which will complete a multi-year power-system augmentation. Once astronauts install the arrays during spacewalks planned for later this fall, the station's available electricity will be boosted for research, operations, and — critically — the controlled deorbit sequence that will eventually retire the facility. The upgrade closes out a program that has progressively replaced aging legacy panels with lighter, more efficient roll-out hardware. The science payload is unusually diverse. Hardware for manufacturing artificial retinas in microgravity could open a path toward restoring vision for patients on Earth, exploiting the unique crystallization and self-assembly properties of weightlessness. Separately, 3D heart tissue models will be tested as platforms for large-scale drug screening on future missions — a step toward reducing dependence on Earth-based pharmaceutical logistics for deep-space crews. Two other experiments round out the headline science: a materials study examining how a new type of glass forms in microgravity, and brain organoids aimed at identifying treatment targets for neurodegenerative diseases including Alzheimer's, Parkinson's, and multiple sclerosis. These join hundreds of ongoing investigations aboard the station spanning biology, biotechnology, physical sciences, and Earth and space science. The institutional context matters. CRS-35 is a routine operational mission under NASA's Commercial Resupply Services contract, which has been the backbone of ISS logistics since 2012. SpaceX has now executed 35 of these flights, making cargo delivery to low Earth orbit a genuinely industrialized process. The per-kilogram cost trajectory of this program has been one of the most successful public-private partnerships in NASA's history. Dragon will remain at the station until mid-November before departing with time-critical research and cargo, splashing down off the coast of California. NASA will stream rendezvous and docking coverage beginning at 9:15 a.m. Thursday at nasa.gov/live. The mission sits at the intersection of ISS end-of-life preparation and Artemis-era ambition. Completing the solar array buildout ensures the station can operate safely through its remaining years while maximizing science return. Every kilogram of microgravity research delivered now is a bet that the results will transfer to lunar and Mars mission architectures — a bet NASA is making with increasing frequency as the station's retirement horizon approaches.
