Another not so fresh news: how that 100K shells/month by 2025 thing stands. In 2024 October.
So at 2022 Feb US made 14,400 shells per month.
They planned to up that to 100K.
By 2022 sept, they were producing 28K
By 2024 October that was 40K.
And they aimed 55K by the end of the year... ie. by 2025

https://www.defensenews.com/land/2024/10/14/army-races-to-widen-the-bottlenecks-of-artillery-shell-production/