SpaceX Starship Flight 12’s New Timeline is Beyond What You Expected! Can They Make It Succeed???

After more than half a year, which is we, are finally standing on the absolute precipice of flight 12. The anticipation is so thick you could probably cut it with a shard of a broken Raptor nozzle after a lifetime of static fires and road closures. It's officially time for us to have a serious talk about what's actually going to happen during this mission. This isn't just another flight. It's the first outing for the Starship B-3 and there are a lot of new toys on this rocket. We're all collectively asking how big these changes are to ensure this mission is a success instead of an expensive fireworks show. We're going to dive into all that and more on today's episode of Great SpaceX. You probably know that flight 12 is going to look a bit familiar. The mission profile is following a similar procedure to the most recent V2 flights, but just because the flight path is familiar, don't think for a second that there won't be anything new to feast your eyes on during the stream. There are a ton of interesting technical tweaks and hardware upgrades that are absolutely worth paying attention to if you want to sound smart at the next party. So let's take a deep breath, try to manage our collective launch anxiety and see exactly what those changes are and when they're going to happen in the timeline. Regarding the actual liftoff time, SpaceX is still aiming for a beautiful afternoon launch in Texas with the clock currently set for approximately 530 p.m. The launch window itself will be about two hours long, giving the engineers enough time to work through any technical spiciness or pesky boats in the keep-out zone. An afternoon launch is the absolute vibe because it provides the best possible lighting for us to observe the landing process of both stages on opposite sides of the planet. As per the usual ritual, SpaceX will start their high-definition livestream about 30 minutes before the flight, right as the fuel loading starts to get serious. In reality, the fueling process starts much earlier behind the scenes, with the flight director conducting the legendary polls to verify the go for the loading process. This happens around T-1 hour and 15 minutes, which is usually when my personal stress levels start to spike. If everything is a go, the ship's liquid methane gets loaded first, followed by its liquid oxygen, and then the booster gets its turn with the same methane and oxygen combo. This massive loading operation typically kicks off at T-53 minutes and wraps up around T-2 minutes and 50 seconds. But this is exactly where we might see the very first new development of the V3 era, and it is a total speedrun flex by the ground crew. There is a very real possibility that the fuel loading phase could be significantly shortened for this flight compared to what we have seen in the past. During the first wet dress rehearsals, SpaceX showed off by fully loading the Super Heavy booster in just 35 minutes, which is an insane speed for the world's largest rocket. Since the Starship itself is quite a bit smaller than the booster, that number could be even shorter when both vehicles are being fed by the high-speed system at the pad. It makes total sense, if you can load fuel fast, you wait until the last possible second to avoid wasting money on fuel evaporation and constant venting. This new capability is a massive testament to the power of the upgraded ground system, making everything more efficient as Starship continues to grow into its final form. While the fuel is being pumped in, the engine chill process is also happening at approximately T-19 minutes on the countdown clock. This is where the engines on both the ship and booster are cooled down to match the temperature of the cryogenic fuel flowing through them. It's a vital step to prevent thermal shock, which is basically what happens to my soul when I step out into a cold morning without a jacket, except it breaks rocket engines. Once these frigid preparations are finalized, SpaceX has officially checked off the most significant boxes before the vehicle leaves the ground. The remaining moments of the countdown are when the emotions really start to run high and everyone in the control room starts holding their breath. At T-30 seconds, the SpaceX flight director will make the final and most crucial decision of the day, verifying the go for launch. At this specific point in the broadcast, the sounds of the countdown and the chatter from the engineers will probably become much clearer in your headphones. Down at the launch pad, a powerful and guttural sound will start to emerge around T-10 seconds, which is the sound of the water deluge system. Water is forcefully ejected from the flame trench, spilling out of both ends and over the top of the OLM like a man-made waterfall. This creates a protective space designed to reduce the sheer heat and acoustic pressure that the engines are about to unleash just seconds later. And that is the moment we are all waiting for, the activation of the world's most powerful vehicle, a machine that literally shakes the ground for miles. The thrust from the 33 engines, which we saw simulated during the two previous static fires, will finally be unleashed for real. And we're talking about 9,000 tons or a staggering 20.3 million pounds of thrust pushing against the gravity of Earth. But wait, there is a second new feature appearing right here that you might miss if you blink during the ignition sequence. SpaceX has apparently upgraded the ignition system to make the engines activate much faster, giving the illusion that they are all firing simultaneously. This likely comes from some serious main character upgrades to their igniter system, allowing the vehicle to reach its maximum thrust in record time. The faster the vehicle reaches full power, the faster it can get off the pad and reduce the time it spends cooking the launch hardware. The Raptor 3 engine is certainly the star of the show here, carrying the heavy burden of being simpler, more reliable, and much more powerful than its ancestors. As that powerful liftoff propels the stack away from the pad, the vehicle will eventually reach max Q, which is the most critical point of the ascent. For SpaceX, that final boss of atmospheric pressure usually happens right around the one minute mark of the flight. Once Starship passes through the densest air, it has about another minute and a half of climbing before the booster's primary mission is finished. The main engine cutoff, or MECO phase, will happen at approximately T plus two and a half minutes, with the booster engines shutting down in a specific sequence. A few seconds after the engines go dark, the separation process occurs, and this is where the third major technical update will reveal itself. Along with the booster shutting down, the engines on the Starship will activate to push it away in a process called hot staging. In the V3 version, the hot staging design is actually a bit of a throwback to the old Soviet N1 rocket, featuring a longer ring with a much lighter feel. They've used simpler connecting rods to create vent holes, which drastically reduces the weight and complexity of building the thing in the first place. Plus, the hot staging ring is now fully integrated into the booster instead of being a separate piece that needs to be jettisoned. This eliminates the jettison issues we saw in previous versions and brings the entire Starship system one step closer to that dream of full reusability. At this point in the mission, the two massive parts of the Starship stack will finally go their separate ways on their own trajectories. After separating from the ship, the Super Heavy booster will activate its boost back burn at approximately two minutes and fifty seconds into the flight. This involves firing up thirteen of those middle and inner ring engines to stop the booster's forward momentum and start the journey back home. Besides just fighting gravity, the gimbal capabilities of these engines help steer the booster toward its designated landing site in the ocean. This is further supported by the ship's engines during the separation, which exert a small force to push the booster in the right direction, known as an active flip. The boost back burn lasts for about fifty seconds, giving the SpaceX team total control over where and how fast the booster is falling. At approximately three minutes and forty seconds, the boost back burn will be deactivated and the booster will begin its long fall through the atmosphere. The booster will spend about three minutes in various states of falling, eventually hitting transonic and then subsonic speeds. At six minutes and twenty seconds, the landing burn will activate with all thirteen engines firing to slow the descent for a soft landing in the ocean. Once the altitude drops below one meter and the speed is under control, the ten middle ring engines will shut off, leaving the three inner engines to finish the job. Now, you might have noticed that I haven't mentioned a very important part of the landing system yet, the chunky grid fins. In reality, those things have been working hard since the moment of liftoff to keep the booster stable and pointed in the right direction. For flight twelve, the grid fins have undergone some major glow up upgrades in terms of their size, their shape and the materials used for durability. Interestingly, SpaceX has also lowered their position on the booster to help them avoid being toasted by the intense heat of the separation process. And if you look closely, you'll notice that the number of grid fins has been reduced from four down to just three. One side is missing, which is a bold design choice that is presumably meant to help support the dramatic act of flip during separation. This landing will mark the very first ocean splashdown for a booster V3, which is a huge milestone for the development program. Assuming everything goes well, we might start seeing landing attempts using the Mechazilla arms as early as the very next flight. But for now, the focus is on a clean splashdown and gathering as much data as possible from the new grid fin configuration. While the booster is doing its thing, the Starship itself will be heading toward orbit, though it won't actually be making a full trip around the world yet. This mission is more of a near-orbit prelude to the actual orbital flight that we are all hoping to see during flight 13. The ship will shut down its engines at approximately T plus nine minutes, an event technically known as the Starship Engine Cutoff or SECO. Upon reaching its designated altitude, the ship has two very important side quests to complete before it starts its descent. First, at T plus 18 minutes and 30 seconds, the payload deployment process will begin and last for about seven or eight minutes. Unlike the previous flights where they just carried inanimate simulations, this payload might actually have some real tech on it, like cameras or antennas. This will give the payload about an hour to try and establish communication with SpaceX's massive satellite constellation and the space station. It's basically a high-stakes rehearsal for the deployment of the actual Starlink V3 satellites that we are going to see on future missions. So whatever you do, please keep the stream open even after the engines shut down because the science is just getting started. About 20 minutes later, around T plus 37 minutes, one of the sea-level engines will activate for a quick relight in the vacuum of space. This is a task they have nailed on previous flights, but it's always good to see the hardware performing as expected in a new version. After all the space-based tasks are done, the ship will begin its most difficult and terrifying phase, the re-entry into Earth's atmosphere. This usually starts around T plus 45 minutes, which is when you will see the ship's heat shield tilt downwards to take the brunt of the heat. Gradually, a beautiful but deadly pinkish-orange layer of plasma will appear on the outside of the ship's armor. This is the visual sign of extreme friction as the vehicle slams into the atmosphere at thousands of miles per hour. This is the moment where the upgrades to the heat shield are going to be the difference between a success and a bad day at the office. If you look at the footage of S-39, you can see that SpaceX has improved the materials and the support systems, including something called a crunch wrap. The heat tiles aren't just fully installed, they've been extended to the leeward side of the fuel tanks and the aft flaps for extra protection. We're all going to be watching very closely to see if these improvements can actually withstand the hellish temperatures of re-entry. If the ship survives the fire, the landing burn will activate at approximately one hour and five minutes into the mission. This burn uses three sea-level engines with gimbal capabilities to slow the ship down with a lot of help from those massive flaps to steer it. The engines and the flaps will likely perform two final tasks, a landing flip to get the ship vertical and a test to see if it can operate if one engine fails. If all the tests are passed, the final splashdown will happen at approximately T plus one hour six minutes and 30 seconds. The engines will shut down when the vehicle is just above the ocean surface, letting it gently drop into the water to end its first mission. That officially brings us to the end of today's episode and I am so glad you joined me for the ride. Thank you so much for tuning in and for your incredible support as we get closer to that 200k subscriber mark. As always, this has been Kevin, your resident narrator and star mapper. Until next time, keep your eyes on the horizon and keep looking up.