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Watch Live: SpaceX Attempts Second Launch Of Starship Megarocket

Update (Monday):

Just one day after the tenth Starship flight was delayed due to a ground-systems troubleshooting issue, the countdown clock is now at T-minus 12 minutes and ticking down.

Weather conditions are currently 55% favorable.

Counting down to Starship's tenth flight test. Weather is currently 55% favorable for launch at the start of the window → https://t.co/UIwbeGoVS9

— SpaceX (@SpaceX) https://twitter.com/SpaceX/status/1960081665453408742?ref_src=twsrc%5Etfw

Watch Live:

. . .

Update (0715ET):

"Standing down from today's tenth flight of Starship to allow time to troubleshoot an issue with ground systems," SpaceX wrote on X.

Standing down from today's tenth flight of Starship to allow time to troubleshoot an issue with ground systems

— SpaceX (@SpaceX) https://twitter.com/SpaceX/status/1959755893324865963?ref_src=twsrc%5Etfw

No timeframe was given for when the test flight would be rescheduled.

. . .

The tenth flight test of SpaceX's Starship megarocket is scheduled for 7:30 p.m. Eastern at the company's Starbase launch site in southern Texas, just outside Brownsville. The stakes are high for Elon Musk and the SpaceX team after investigations into the Flight 9 loss found a static fire anomaly that led engineers to push for hardware fixes and operational upgrades. That's the entire point of these test flights, pushing reliability higher in preparation for future missions to the Moon and eventually Mars.

Starship 10 launching tonight https://t.co/EOgGbS3Om7

— Elon Musk (@elonmusk) https://twitter.com/elonmusk/status/1959730865140871323?ref_src=twsrc%5Etfw

Here are the goals of today's flight test of Starship:

Super Heavy Booster Objectives:

Conduct multiple landing burn experiments, including disabling one central engine to test backup performance.

Transition to a two-engine hover before shutting down and dropping into the Gulf of America (no return attempt).

Continue testing new flight profiles and off-nominal scenarios to refine reusability.

Starship Upper Stage Objectives:

Attempt first payload deployment with eight Starlink simulators (expected to burn up on reentry).

Perform a Raptor engine relight in space.

Conduct reentry stress tests, including:

Removing heat shield tiles to probe vulnerable areas.