Starlink Group 17-35 launch window watch

A Falcon 9 Block 5 rocket launched with Starlink Group 17-35 from SLC-4E at Vandenberg SFB, California, USA on Monday April Mo, 2026 at 02:56 UTC. The activity is tied to Vandenberg Space Force Base, California, USA. The clearest timing marker in the reporting is 02:56 UTC. The immediate next step is whether the mission gets off the ground on time and proceeds as planned.

Even a routine Starlink mission says something about cadence. These flights show whether SpaceX can keep a dense manifest moving while continuing to add satellites to its low Earth orbit network. That makes the story less about a single payload and more about how reliably the broader launch machine is running.

Beyond the launch window, the mission also sits inside broader cadence pressure and customer delivery expectations. The next public checkpoint is whether activity at Vandenberg Space Force Base, California, USA converts into clean execution. The next real checkpoint is the launch window itself and the official mission result that follows.