Matching news from a different topic: global arms sales decline, due to production problems of US manufacturers.
https://www.dw.com/en/global-arms-sa...cts/a-67607430
Add to this that Chinese navy assets by number surpass America's. Chioan builds more of everything. America's forces run low on personnel, especially many specialists move to private business due to better payment. Combat pilots on mind especially, pilots in general. The gap in submarine numbers is projected to widen. Even if the Navy would build more could build more boats (Chinese capacity is much bigger to do so now), it would have problems to crew them (I read). Luxury problems

In the German Marine submarine skippers stand in long line to get their own sub command for a short while (I read).