alt Hacker NewsThe sheer quantity of "mislabelled"[1] PRC origin parts passing through the logistics chains as Primo-A-grade-American-Made - even in Defense - is deeply disturbing, and that's the stuff that they do catch.
Transshipment is the elephant in the room here - smaller components made in PRC, then shipped to wherever as Raw Materials (tm), and then put in a "friendly nation" box and sold as safe.
DoD's DMEA and DLA CD programs, plus GIDEP reporting, capture confirmed cases . . but not the miss rate. On the occasion they do bust open a jet (or god forbid a missile) and look at all the bits with a microscope, it can be scary.
[1] They like to avoid the more precise "criminal fraud"
The point is that, when PRC cuts off the parts, there are backstops for alternate sourcing most of them even if it means reopening mines to get the materials and subsidizing production.