Written by Himan Roshan Borah
For most of human history, transportation became less expensive when vehicles were reused. Ships crossed oceans thousands of times. Aircraft carried passengers for decades. Even the family car is expected to last for years before being replaced. Yet, for much of the space age, rockets operated according to a very different logic. They were among the most sophisticated and expensive machines ever built, only to be discarded after a single flight.
The practice was so deeply ingrained that few questioned it. Governments accepted it. Aerospace companies built business models around it. Every launch required a new rocket, and every rocket that reached orbit effectively became scrap metal. The result was predictable: space remained extraordinarily expensive. Sending a kilogram of cargo into orbit could cost as much as $18,500, limiting access to governments, militaries, and a handful of well-funded corporations.
Elon Musk’s central insight was not particularly complicated. Whatever one thinks of him personally, he looked at the economics of spaceflight and concluded that throwing away rockets made as little sense as throwing away an aircraft after a single journey. If a rocket could return safely, be refurbished quickly, and fly again, the cost of reaching orbit would fall dramatically.
That idea became the foundation of SpaceX. Over the past decade, the company has transformed what many experts once regarded as a near-impossible engineering challenge into a routine operation. Falcon rocket boosters now regularly return to Earth and land either on the ground or on autonomous ships stationed at sea. Reusability has reduced launch costs to levels that would have seemed unrealistic only a generation ago.
But SpaceX’s ambitions extend far beyond the Falcon program. The company is developing Starship, a fully reusable launch system intended to carry far larger payloads at significantly lower cost. If the project succeeds at a commercial scale, Musk believes launch costs could eventually fall to around $200 per kilogram. That figure is not merely an engineering target; it is the number upon which much of the company’s enormous valuation rests.
The significance of such a reduction becomes clearer when one considers what increasingly drives the modern economy. Digital infrastructure now underpins almost every aspect of daily life. Banking transactions, government services, cloud computing, artificial intelligence applications, streaming platforms, and communication networks all depend on vast data centres filled with thousands of servers operating around the clock.
These facilities consume extraordinary amounts of electricity. As artificial intelligence systems become more powerful, their demand for computing resources continues to grow. Utilities across the world are already warning of rising power requirements, while governments and technology companies are grappling with questions of energy supply, grid capacity, and long-term infrastructure investment. What was once a niche concern of the technology sector is rapidly becoming an economic and political issue.
It is against this backdrop that some of the more ambitious ideas surrounding space infrastructure begin to attract attention. One concept is the possibility of locating certain forms of computing infrastructure in orbit. Space offers uninterrupted access to solar energy for long periods, avoids many of the land constraints associated with large facilities, and eliminates competition with residential users for local electricity supplies. For decades, however, the economics rendered such discussions largely theoretical. Launch costs alone made the idea impractical.
A world in which transportation to orbit costs $200 per kilogram is a very different world. Technologies that appear uneconomic today can become plausible tomorrow when a key input cost falls by more than 90 percent. History offers numerous examples. Cheap computing transformed software. Cheap internet access transformed communication. Cheap launch capacity could have similarly far-reaching consequences, even if many of the eventual applications remain difficult to predict.
SpaceX is not asking investors to wait indefinitely for those possibilities to materialise. The company already operates one of the world’s largest satellite networks through Starlink. Originally conceived as a way to provide broadband access to remote regions, Starlink has grown into a substantial commercial enterprise. Rural communities, ships, emergency response teams, and users in areas with limited terrestrial infrastructure increasingly rely on the service.
The revenues generated by Starlink are helping fund the development of Starship and other long-term projects. This relationship is important because it highlights both the opportunity and the risk. Much of SpaceX’s future depends on maintaining Starlink’s commercial success while continuing to reduce launch costs. If Starlink’s profitability weakens because of competition, regulation, or technological change, the company’s ability to finance its broader ambitions could become more challenging. The engineering achievements alone are not enough; the economics must work as well.
Supporters of SpaceX often compare the company to Amazon in its early years. During the late 1990s, Amazon was widely viewed as an online retailer with questionable prospects. Few anticipated that the company’s most valuable business would eventually become cloud computing infrastructure rather than book sales. Advocates argue that SpaceX may be following a similar path, building foundational infrastructure whose ultimate value is not yet fully understood.
Skeptics counter that the comparison is premature. Achieving low launch costs in demonstrations is one thing; sustaining them reliably across large-scale commercial operations is another. The history of technology is filled with ambitious projections that proved more difficult in practice than on paper. Until Starship demonstrates consistent operational performance, many of the most optimistic forecasts will remain speculative.
For all the excitement surrounding rockets, satellites, and visions of future industries, the debate ultimately revolves around a remarkably simple question: Can SpaceX make access to space as affordable and routine as commercial aviation made long-distance travel?
The answer will determine whether the company becomes one of the most consequential infrastructure providers of the twenty-first century or whether its valuation proves to be ahead of reality. Either way, the outcome will matter far beyond the aerospace sector. The future cost of communications, computing power, artificial intelligence infrastructure, and perhaps entire new industries may depend on whether one company can make good on a promise that sounds deceptively simple: reaching space for about $200 per kilogram.