On a Texas coast where rockets have long been built to be spent, SpaceX is preparing a flight that asks an old assumption to change its mind. Its fifteenth Starship test seeks to bring the upper half of the vehicle home whole and set it down upright, a thing no rocket has ever done. Behind the ambition lies a simple human arithmetic: what is thrown away each time a machine reaches the sky, and whether it might one day return to be flown again.
SpaceX Attempts First-Ever Full Recovery of Starship Upper Stage on Test Flight 15
No rocket in history has ever had a reusable second stage.
Mark
Why is catching the ship such a big deal compared with catching the booster?
Mimi
The booster has already been caught, at least in part. The ship comes back from orbit at more than 20 times the speed of sound, after about a day in space. That's a far harsher return.
Mark
And the money angle?
Mimi
Upper stages have always been thrown away, and a stage can cost many millions of dollars. Reusing one is what SpaceX calls the holy grail.
Luke
Let me slow that down. Is the "many millions" a specific figure?
Mimi
No, the reporting only says many millions. There's no precise cost per stage.
Mark
What's the schedule look like?
Mimi
About 22 hours, potentially, with health checks at roughly 1.5 hours, 7 hours and 20 hours in. Each one can divert the ship to a controlled landing off Hawaii or Chile.
Luke
Notice the wording, though. These are planned timings and options, not results. Nothing here says the landing succeeded.
Mark
So what do we actually know?
Mimi
That SpaceX is attempting it, and that no one has tried it before. The outcome isn't in this reporting.
Luke
Right. The article is a preview, and the confidence rating on it is medium for that reason.
Il Polso
- A rocket's upper stage has always been discarded, and today SpaceX tries to bring one back intact.
- The ship must survive a day-long journey through orbit before diving back into the atmosphere at more than 20 times the speed of sound.
- At several checkpoints, controllers can divert the ship early toward Hawaii or Chile if anything looks wrong.
- If every system holds, the ship will fire its engines, flip upright, and aim for a pinpoint touchdown between the Mechazilla tower's arms in South Texas.
On a Texas coast where rockets have long been built to be spent, SpaceX is preparing a flight that asks an old assumption to change its mind. Its fifteenth Starship test seeks to bring the upper half of the vehicle home whole and set it down upright, a thing no rocket has ever done. Behind the ambition lies a simple human arithmetic: what is thrown away each time a machine reaches the sky, and whether it might one day return to be flown again.
SpaceX is preparing its fifteenth Starship test flight with a goal no rocket company has attempted: returning the upper half of the vehicle to Earth intact and landing it upright on dry ground. The mission spans about 22 hours, from liftoff to touchdown at the company's Mechazilla tower in South Texas.
For a century, rockets have shed their stages as they climb, and the upper stage has been treated as expendable. Starship blurs that line, since its upper half, the ship, is both spacecraft and second stage. SpaceX already reuses Falcon first stages, but an upper stage can cost many millions of dollars, which is why a reusable one is seen as the sector's holy grail.
The flight unfolds in careful steps. The booster lights, separates, and attempts its own tower catch, while the ship coasts on a suborbital path. If systems check out, it fires again to reach orbit and deploys 26 Starlink satellites.
The real test comes on the way home. Controllers hold three checkpoints where the ship can be brought down early near Hawaii or Chile if something is wrong. If it clears them all, it reenters the atmosphere, fires for a landing burn, flips upright, and aims for the tower's chopstick arms over South Texas.
SpaceX is set to launch its fifteenth Starship test flight with a goal no rocket company has ever tried: bringing the upper half of the vehicle back to Earth intact and setting it down upright on dry ground. The plan runs roughly 22 hours from liftoff to touchdown, and it ends at the company's Mechazilla launch tower in South Texas.
The ambition makes more sense against how rockets have been built for a century. Most are made of stages that fall away as their fuel runs low, shedding weight and gaining efficiency. Typically that means a first-stage booster for the initial push off the pad, and an upper stage that fires into orbit to deliver a satellite or a crew spacecraft. Starship complicates that picture. Its upper half, called the ship, is both the spacecraft and the upper stage of the larger rocket, which also includes the Super Heavy booster beneath it.
That double role is why a landing is so hard. No rocket in history has had a reusable second stage. SpaceX is known for reusing the first stages of its Falcon rockets, yet it has always discarded the upper stage after each flight. Stages can cost many millions of dollars apiece, which makes throwing them away expensive, and it is why the company regards a fully reusable launch vehicle as the holy grail of rocketry.
The company has already had some success catching Super Heavy, and it will try that again on this flight. The ship is the harder problem. It will be coming home from a day-long trip through orbit at more than 20 times the speed of sound.
The flight plan is laid out in minutes and hours. About 50 minutes before launch, the launch director polls the other controllers to confirm the rocket is ready for fueling. At liftoff, Super Heavy's engines actually ignite three seconds earlier, because the vehicle's size means it takes a moment to start moving. At 58 seconds, the stack passes Max-Q, the point of maximum stress on the way up. At 2 minutes 20 seconds, the booster shuts down and separates, and the ship lights its six engines on a suborbital path.
At 6 minutes 35 seconds, the booster is to relight 13 engines and attempt a controlled upright landing in the arms of the Mechazilla tower. The ship shuts down its engines at 8 minutes 9 seconds. Then comes a condition: at 26 minutes 10 seconds, if and only if all systems are working properly, the ship fires for nearly 20 seconds to reach orbit. Beginning at 35 minutes 1 second, it deploys 26 Starlink satellites over about 40 minutes, then coasts.
The rest of the flight is a series of checkpoints. At 1 hour 27 minutes, SpaceX checks the ship's health and may bring it down early off the coast of Hawaii if something is wrong. At 7 hours 15 minutes, another check offers the option of deorbiting off Chile. A final check at 20 hours 41 minutes again allows a controlled landing near Hawaii.
If the ship clears all of them, SpaceX commands the deorbit burn at 21 hours 35 minutes. Reentry begins at 22 hours 10 minutes, as the ship meets the heat and stress of diving into the atmosphere. At 22 hours 32 minutes, it fires its engines for the landing burn, flips upright, and aims for a pinpoint touchdown between the tower's chopstick arms.
The things to watch are the health checks, where the mission can be diverted, and the final minutes over South Texas.
Citazioni salienti
SpaceX considers a fully reusable launch vehicle the holy grail of rocketry.— CNN's description of SpaceX's view
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