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SpaceX Falcon 9 Block 5 will usher in a new era of rapid reuse rockets

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Despite all missions being readily in the range of recovery, SpaceX has only attempted to recover its Falcon boosters after two of the company’s five 2018 launches. If anything, the attachment to Falcon boosters and the apparent melancholy felt by many observers when they are not recovered is a testament to the staggeringly abrupt success of SpaceX’s reusable rocketry program.

Aside from Falcon Heavy’s center core and 1044, each booster expended in the last several months (Iridium-4, GovSat-1, and PAZ) was aging, flight-proven, and nearing the end of its operational life: Block 3 and Block 4 Falcon 9s were simply not designed or expected to fly more than two or three times total. Their seemingly premature deaths were thus a necessary step along the path to Block 5 and truly rapid and cheap booster reuse; perhaps as pragmatic as quite literally making space for new and superior hardware at SpaceX’s many facilities. The demise of Falcon Heavy’s center core nevertheless made for a spectacular video (skip to 1:10, or watch the whole thing…).

The end (of old Falcons) is nigh

Despite the carnage in recent times, the next two weeks are likely to see several more flight-proven Falcon 9s meet their timely, watery demise, or at least complete their final flight in the case of CRS-14.

  • Iridium-5 (NET March 29) will be flying atop Booster (B) 1041, previously used for Iridium-3 (Oct. 2017)
  • CRS-14 (NET April 2) will make use of B1039, a booster that debuted with the launch of CRS-12 (Aug. 2017)
  • Iridium-6/GRACE-FO (NET April 28) was confirmed just yesterday to be flying on B1043, the booster that launched the now-infamous Zuma spysat this January
  • Lastly, SES-12 (NET April 30) will likely use B1040, which orbited the USAF’s secretive X-37B spaceplane in Sept. 2017

While more than a little hard to believe, this series of launches over the next 4-6 weeks may see SpaceX’s fleet of flight-proven boosters shrink to no more than two flightworthy cores – perhaps just a single Falcon 9. The launch of NASA’s exoplanet observatory TESS – set to use the brand new Falcon 9 B1045 – will likely see one additional flight after landing at LZ-1 or OCISLY in mid-April. The final flight-proven booster known to exist in a potentially flightworthy state is B1042, famous for its moderate attempt at self-immolation and Roomba-murder (correction: the Roomba murder attempt was actually a few weeks before, during the landing of SES-11’s flight-proven booster) after the successful launch of Koreasat-5A in Oct. 2017. B1042’s future is unknown at this point, however, as the post-landing fire may have damaged the booster beyond repair.

Rounding out SpaceX’s entire fleet of boosters, at least after SES-12, are the flight-proven B1045, the first-ever Block 5 booster (B1046) – flight-proven after Bangabandhu-1, and the second Block 5 booster (B1047). Assuming that Block 5’s first hot-fire testing has gone well at SpaceX’s McGregor, TX facilities, it’s probable that B1048 and perhaps B1049 will roll out of the Hawthorne factory and head to Texas for their own tests between now and then.

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TL;DR: SpaceX is betting heavily on Block 5

The purpose of this brief jaunt through the annals of SpaceX’s rocket fleet and production goals is to demonstrate just how aggressively SpaceX has bet on Block 5 – both on its success as a new and complex technological system and as an unprecedentedly reusable orbital-class rocket. If any design or manufacturing flaws are discovered in the first several Block 5 Falcon 9s, or if Block 5 turns out to be less reusable than SpaceX hopes, the company could well find its manifested launch dates slipping as flightworthy boosters – not satellites – become the bottleneck for access to orbit.

Nevertheless, SpaceX has at least six full-up Falcon 9 boosters in various stages of integration and completion at their Hawthorne factory, as well as 1046 in (or departing) Texas and 1047 presumably on its way there. SpaceX certainly has a strong track record of introducing its many upgraded iterations of Falcon 9 in the past – fingers crossed that that trend continues with Block 5. If SpaceX’s confidence still rings true a month or two from today, a new era of access to space will have truly begun, and SpaceX will be able to quite rapidly refocus a considerable portion of its workforce on getting to Mars.

Follow us for live updates, behind-the-scenes sneak peeks, and a sea of beautiful photos from our East and West coast photographers.

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Tom CrossTwitter

Pauline Acalin  Twitter

Eric Ralph Twitter

Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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X launches Community Notes feature to bridge diverse perspectives

X’s new pilot expands Community Notes by spotlighting posts liked across ideological divides. Can social media finally bring people together?

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(Credit: Community Notes/X)

X’s Community Notes pilot seeks to bridge perspectives by introducing an experimental feature to identify posts liked by diverse viewpoints. Announced by Elon Musk’s X, the initiative builds on the success of Community Notes, which highlights agreement among users who typically disagree.

Starting June 05, a select group of Community Notes contributors, representing a broad spectrum of perspectives, will encounter a new callout within the platform. “The callout shows based on early and limited Like signals on the post,” X explained.

Contributors can rate and provide feedback on these posts, aiding the development of an open-source algorithm to identify content that resonates across differing viewpoints. The pilot aims to uncover ideas, insights, and opinions that foster unity, addressing the often-divided nature of online discourse.

“People often feel the world is divided, yet Community Notes shows people can agree, even on contentious topics,” X noted. The new feature builds on years of user requests to extend Community Notes’ approach to posts, recognizing those liked by people who would normally disagree. By highlighting such content, X hopes to motivate users to share ideas that resonate broadly, potentially driving meaningful dialogue.

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The pilot follows X’s transparent development process, similar to how Community Notes was refined. “Following the path we used to develop Community Notes, we’re building in public with a small pilot so that this concept can be shaped by the people,” X stated. The initiative will rely on contributor feedback to iterate and refine the algorithm, ensuring it effectively identifies posts that bridge perspectives.

This experimental feature underscores X’s commitment to fostering constructive online conversations. By leveraging early “Like” signals and contributor input, X aims to amplify content that transcends ideological divides.

“Ultimately, it could help move the world forward in ways that the people want,” X added, emphasizing the potential for this tool to promote unity and understanding.

As X rolls out this pilot, the platform invites its community to shape its evolution, much like the iterative process that has made Community Notes a hallmark of collaborative fact-checking. The initiative could redefine how social media platforms highlight shared values, paving the way for more inclusive and impactful discussions.

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Elon Musk

X account with 184 followers inadvertently saves US space program amid Musk-Trump row

Needless to say, the X user has far more than 184 followers today after his level-headed feat.

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Joel Kowsky, Public domain, via Wikimedia Commons

An X user with 184 followers has become the unlikely hero of the United States’ space program by effectively de-escalating a row between SpaceX CEO Elon Musk and President Donald Trump on social media.

Needless to say, the X user has far more than 184 followers today after his level-headed feat.

A Near Fall

During Elon Musk and Donald Trump’s fallout last week, the U.S. President stated in a post on Truth Social that a good way for the United States government to save money would be to terminate subsidies and contracts from the CEO’s companies. Musk responded to Trump’s post by stating that SpaceX will start decommissioning its Dragon spacecraft immediately. 

Musk’s comment was received with shock among the space community, partly because the U.S. space program is currently reliant on SpaceX to send supplies and astronauts to the International Space Station (ISS). Without Dragon, the United States will likely have to utilize Russia’s Soyuz for the same services—at a significantly higher price.

X User to the Rescue

It was evident among X users that Musk’s comments about Dragon being decommissioned were posted while emotions were high. It was then no surprise that an X account with 184 followers, @Fab25june, commented on Musk’s post, urging the CEO to rethink his decision. “This is a shame this back and forth. You are both better than this. Cool off and take a step back for a couple days,” the X user wrote in a reply.

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Much to the social media platform’s surprise, Musk responded to the user. Even more surprising, the CEO stated that SpaceX would not be decommissioning Dragon after all. “Good advice. Ok, we won’t decommission Dragon,” Musk wrote in a post on X.

Not Planned, But Welcomed

The X user’s comment and Musk’s response were received extremely well by social media users, many of whom noted that @Fab25june’s X comment effectively saved the U.S. space program. In a follow-up comment, the X user, who has over 9,100 followers as of writing, stated that he did not really plan on being a mediator between Musk and Trump. 

“Elon Musk replied to me. Somehow, I became the accidental peace broker between two billionaires. I didn’t plan this. I was just being me. Two great minds can do wonders. Sometimes, all it takes is a breather. Grateful for every like, DM, and new follow. Life’s weird. The internet’s weirder. Let’s ride. (Manifesting peace… and maybe a Model Y.)” the X user wrote.

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Tesla tops Cathie Wood’s stock picks, predicts $2,600 surge

Tesla’s future lies beyond cars—with robotaxis, humanoid bots & AI-driven factories. Cathie Wood predicts a 9x surge in 5 years.

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Cathie Wood shared that Tesla is her top stock pick. During Steven Bartlett’s podcast “The Diary Of A CEO,” the Ark Invest founder highlighted Tesla’s innovative edge, citing its convergence of robotics, energy storage, and AI.

“Because think about it. It is a convergence among three of our major platforms. So, robots, energy storage, AI,” Wood said of Tesla. She emphasized the company’s potential beyond its current offerings, particularly with its Optimus robots.

“And it’s not stopping with robotaxis; there’s a story beyond that with humanoid robots, and our $2,600 number has nothing for humanoid robots. We just thought it’d be an investment, period,” she added.

In June 2024, Ark Invest issued a $2,600 price target for Tesla, which Wood reaffirmed in a March Bloomberg interview, projecting the stock to reach this level within five years. She told Bartlett that Tesla’s Optimus robots would drive productivity gains and create new revenue streams.

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Elon Musk echoed Wood’s optimism in a CNBC interview last month.

“We expect to have thousands of Optimus robots working in Tesla factories by the end of this year, beginning this fall. And we expect to scale Optimus up faster than any product, I think, in history to get to millions of units per year as soon as possible,” Musk said.

Tesla’s stock has faced volatility lately, hitting a peak closing price of $479 in December after President Donald Trump’s election win. However, Musk’s involvement with the White House DOGE office triggered protests and boycotts, contributing to a stock decline of over 40% from mid-December highs by March.

The volatility in Tesla stock alarmed investors, who urged Musk to refocus on the company. In a May earnings call, Musk responded, stating he would be “scaling down his involvement with DOGE to focus on Tesla.” Through it all, Cathie Wood and Ark Invest maintained their faith in Tesla. Wood, in particular, predicted that the “brand damage” Tesla experienced earlier this year would not be long term.

Despite recent fluctuations, Wood’s confidence in Tesla underscores its potential to redefine industries through AI and robotics. As Musk shifts his focus back to Tesla, the company’s advancements in Optimus and other innovations could drive it toward Wood’s ambitious $2,600 target, positioning Tesla as a leader in the evolving tech landscape.

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