From Goddard to Starship: A 100-Year Rocket Retrospective & The Missions That Redefined Humanity
On the centenary of the first liquid-fueled rocket launch, we analyze the most pivotal rockets in history, their engineering breakthroughs, and the profound cultural impact of the vehicles that took us to space.
Key Takeaways: A Century of Ascent
- The Dawn Was Humble: Robert H. Goddard's 1926 launch, reaching only 41 feet, contained every principle that would later take humans to the Moon.
- Engineering Choices Define Eras: From V-2's ruthless pragmatism to Saturn V's "all-up" testing philosophy, each rocket reflects its time's technological and political imperatives.
- The Shift from Expendable to Reusable: The 21st century's defining breakthrough isn't power, but economics—rockets like Falcon 9 that land themselves have dropped launch costs by an order of magnitude.
- Cultural Legacy Beyond Engineering: Iconic rockets (Saturn V, Shuttle) became global symbols, embedding themselves in art, film, and our collective imagination of the future.
- The Next 100 Years: The centenary finds us at another inflection point, with fully reusable super-heavy lift vehicles like Starship poised to transition spaceflight from exploration to industrialization.
Top Questions & Answers Regarding Rocket History
Why is Robert Goddard's 1926 rocket considered the starting point, not earlier experiments?
While Congreve and Hale rockets of the 19th century used solid propellants, Goddard's key innovation was liquid fuel propulsion. His design—burning gasoline and liquid oxygen in a combustion chamber—provided throttling capability and higher specific impulse. This is the direct technological ancestor of every major orbital rocket since, from the V-2 to the Saturn V. Solid rockets are essentially controlled explosions; liquid rockets are sophisticated, controllable engines. The shift was as fundamental as moving from sail to steam.
What made the Saturn V so uniquely powerful and successful for its time?
The Saturn V's success stemmed from a combination of brute force engineering and conservative design philosophy. Its F-1 engines (five in the first stage) remain the most powerful single-chamber liquid-fueled engines ever flown. Politically, it had virtually unlimited funding under the Apollo mandate. Managerially, NASA's "all-up" testing—flying all three live stages together on the first test—was a radical gamble that paid off. Technically, it used kerosene (RP-1) in the first stage for high thrust at sea level, and hydrogen in the upper stages for efficiency in vacuum—a staging of propellant types still used today.
The Space Shuttle was revolutionary but had a high failure rate. How is its legacy viewed today?
The Shuttle's legacy is profoundly dual-natured. It was an unprecedented engineering achievement: the first reusable crewed spacecraft, with delta-wing reentry and cross-range capability dictated by military requirements. It built the ISS and deployed Hubble. However, its "reusability" was largely superficial—each orbiter required near-total disassembly and rebuild between flights at immense cost. The loss of two crews out of 135 missions represents a 1.5% failure rate—unacceptable by modern standards. Historians now see it as a vehicle trapped between conflicting goals: NASA wanted a space truck, the military wanted a spy satellite launcher, and Congress wanted a jobs program. Its true legacy may be as a cautionary tale about design-by-committee, and as a bridge from the Apollo era to the commercial space age.
How has the philosophy of rocket design fundamentally changed in the last 20 years?
The shift has been from state-sponsored optimization for prestige to commercially-driven optimization for cost. The Apollo era asked: "What's the minimum number of launches to reach the Moon by 1969?" The Shuttle era asked: "How can we make a reusable spacecraft with these specific military capabilities?" The SpaceX/New Space era asks: "How do we minimize cost per kilogram to orbit?" This led to radical rethinking: using simpler, robust, pressure-fed engines (Merlin), foregoing maximum performance for manufacturability, and investing in vertical landing technology—seen as fantastical 20 years ago. The new metric isn't thrust, but refurbishment turnaround time. A Falcon 9 booster flying 20 times represents a paradigm shift as significant as the move from solids to liquids.
An In-Depth Analysis: The Machines That Built the Space Age
One hundred years ago, on a snowy farm in Auburn, Massachusetts, physics professor Robert H. Goddard ignited a modest contraption of pipes and tanks. It rose 41 feet, flew for 2.5 seconds, and landed 184 feet away in a cabbage patch. That moment—March 16, 1926—marks the birth of the technological lineage that would, within a single human lifespan, deposit twelve humans on another world. The century since has been a story of evolution, not just in scale and power, but in purpose, philosophy, and our relationship with the cosmos itself.
The German Crucible: Wernher von Braun's V-2
The first rocket to touch space (reaching ~176 km altitude in 1944) was also a weapon of terror. The V-2's military significance was secondary to its psychological impact, but its technical DNA is undeniable. Its liquid oxygen/alcohol engine, turbo-pumps, gyroscopic guidance, and aluminum airframe established the template. The haunting paradox is that this instrument of Nazi aggression, built with slave labor, became the foundation for both the American and Soviet space programs through Operation Paperclip and captured hardware. The V-2 reminds us that rocketry's origins are steeped in the darkest chapters of the 20th century—a technology born from war, yet pointing toward the stars.
Rocket Profile: Saturn V
Why it's iconic: It remains the only vehicle to have launched humans beyond low Earth orbit. Its 7.5 million pounds of thrust at liftoff (equivalent to ~85 Hoover Dams) has never been surpassed. Cultural impact: The sight and sound of a Saturn V launch became the definitive symbol of American technological supremacy and optimistic futurism during the Cold War. Engineering marvel: Its Instrument Unit, a ring containing one of the world's first advanced flight computers, performed guidance with less processing power than a modern calculator.
The Reusable Dream & Its Reality: Space Shuttle
For a generation, the Shuttle was spaceflight. Its winged, airplane-like appearance promised routine access to space. Technically, it was a masterpiece of compromise. The External Tank's orange foam, the Solid Rocket Boosters' segmented design (a fatal compromise for Challenger), and the delicate thermal protection system were all solutions to conflicting requirements. Its legacy is measured not just in Hubble and ISS, but in hard lessons: that partial reusability without rapid turnaround doesn't save money, and that crew and cargo should perhaps not share the same vehicle.
The 21st Century Disruptor: SpaceX Falcon 9
The Falcon 9 represents the first fundamental philosophical shift since Goddard: design for economic sustainability first. Its Merlin engines use a simple, robust gas-generator cycle rather than the more efficient but complex staged combustion. Its structure is aluminum-lithium, welded using friction-stir welding for strength and cost savings. But its revolutionary feature is not how it flies up, but how it comes down. The sight of a booster landing itself—once pure science fiction—is now routine. This has reduced launch costs from ~$10,000/kg to under $2,000/kg, triggering the small-satellite revolution and making large constellations like Starlink economically feasible.
Rocket Profile: Falcon 9
Why it's disruptive: It proved that rapid, low-cost reusability is possible and profitable. A single first stage has flown 20+ times. Business model innovation: SpaceX vertically integrated manufacturing, designed for high production rates, and used its own launches to deploy its revenue-generating Starlink constellation. Cultural shift: It demystified rocket launches, making them frequent (sometimes weekly) events streamed globally with cinematic drone ship landings.
Looking Forward: The Next Century's Foundation
As we mark this centenary, the next era is already taking shape. Starship and its Super Heavy booster aim for full reusability with orbital refueling—a capability that transforms the solar system's economics. Meanwhile, innovations like 3D-printed engines (Relativity Space), methane propulsion (Blue Origin's BE-4), and small lift vehicles (Rocket Lab's Electron) show a diversifying ecosystem. The next 100 years will likely see rockets transition from being the mission to being transportation infrastructure, as mundane as container ships or airliners are today. The goal is no longer just reaching space, but enabling a sustained human presence there.
Conclusion: More Than Machines
Choosing a "favorite" rocket, as the Ars Technica staff did, is ultimately a personal reflection of what aspect of spaceflight resonates most: Is it the audacious power of Saturn V? The elegant complexity of the Shuttle? The pragmatic genius of Falcon 9? Or the hopeful promise of Starship? Each vehicle encapsulates the hopes, fears, politics, and technological confidence of its era. They are not just collections of tanks and engines; they are cultural artifacts, embodiments of human ambition. The thin trail of smoke from Goddard's test stand has thickened into a highway to orbit. As we light the candles on rocketry's 100th birthday, we stand at the threshold of its most consequential chapter yet.