Yes, I looked this up. It's quite shocking and deeply frightening. The US navy are the primary military counter to PLAN (PLA Navy). I wonder whether this happening solely due to leadership or because China has become the first manufacturing base for the world and the US is losing its expertise. Difficulties in Navy supply chains indicate a more systemic problem.

https://www.navytimes.com/news/your-navy/2019/01/14/worse-th...