How native speakers pronounce “milestone”

I had at least one client on retainer, and I was getting ready for the biggest professional milestone of my career, the launch of my book

How to Turn Setbacks into Success | Amy Shoenthal | TED · TED

And on this plot, you're seeing the annual improvement and milestone models. We went a step further

With Spatial Intelligence, AI Will Understand the Real World | Fei-Fei Li | TED · TED

Applause, champagne, celebration. This was a milestone for science, and we had no idea what we would find in this brand-new data.

How we explore unanswered questions in physics | James Beacham