The phrase "affordable spaceflight" is correct and usable in written English.
It can be used when discussing the cost of space travel and the potential for making it accessible to a wider audience.
Example: "With advancements in technology, we are finally seeing the emergence of affordable spaceflight options for civilians."
Alternatives: "cost-effective space travel" or "budget-friendly space exploration".
Proving the viability of its reusable rocket recovery system is extremely important to SpaceX's long-term vision of more affordable, efficient spaceflight.
Combining refurbished capsule and refurbished booster successfully will mark another step along the road to proving out SpaceX's long-term mission of making spaceflight efficient, affordable and fast in terms of reusable spacecraft turnaround times.
It is interesting, then, that the review is also instructed to determine the appropriate amount of robotic activities needed to make human spaceflight productive and affordable over the long term.
Musk's company hopes this will make manned spaceflight a lot more affordable.
It seems entirely prudent, therefore, for the administration to examine whether this is money well spent.The letter to NASA requesting the review, from John Holdren, the director of the OSTP, refers to a trajectory for the future of human spaceflight that is "safe, innovative, affordable and sustainable".
Spaceflight Industries, a startup whose overarching goal is providing affordable, high-resolution images of earth, just raised $25 million in Series B funding led by Mithril Capital Management.
The achievement is a key ingredient in SpaceX's long-term business plan for making rocket launches more affordable and accessible to corporate and government customers, fundamentally changing the economics of spaceflight in ways that pave the way for more ambitious projects, including an eventual trip to Mars.
Now, manned spaceflight is banal.
But human spaceflight is changing.
Nothing is straightforward in spaceflight".
