The phrase "next milestone in" is grammatically correct and commonly used in written English
It is typically used to refer to a future significant event or achievement. Example: Our team is working hard to reach the next milestone in our project by the end of the month.
The next milestone in sight is perhaps the biggest of all: Steffi Graf's professional-era mark for grand slam titles.
If a system like Kyoto is to continue then this would be the next milestone in the emissions timeline.
The next milestone in analytical glycobiology is being reached allowing the glycoscientist to address the functional importance of protein glycosylation in a system-wide yet protein-specific manner.
[C3.] Nations Compete to Achieve Supercomputer Glory The United States, Japan and China are competing in a global race to reach the next milestone in supercomputer performance.
"Jumpers," produced in 1972, was the next milestone in Stoppard's career; but something should first be said of his work for radio, a medium he has used more resourcefully than any other contemporary English playwright.
Abstract: The next milestone in experimental quantum information processing is the demonstration of a quantum advantage, i.e. the unambiguous demonstration of an information processing task, no matter how trivial, at which a quantum device outperforms a classical computer.
NVIDIA cares about deep learning and AI, so being able to see what the next milestones in healthcare are will be exciting.
The next milestone mentioned in Mr. Fitzpatrick's statement was an article last month in The Post-Standard of Syracuse about the Ashkars and the winning ticket — a story Mr. Fitzpatrick said "was actually put out by the lottery security division in an effort to have the real winner come forward".
"And if you are getting married to achieve the next milestone or to lock in the guy or girl, it's a reason that is full of future misery.
But they'll do so anyway, most likely to celebrate their next milestone anniversary, but in part to appease friends and family who weren't at the first ceremony.
New Horizons' next milestone will occur in the late 2040s, when it crosses the edge of the solar system, where the thin wind of particles from the sun peters out though the spacecraft's plutonium engine will have faded away a decade earlier.
