No Engine, No Fly: Ongoing Propulsion Program Problems Are Grounding F-35s

Lack of spare parts and engines, an under-investment depot-level infrastructure, and much more, have put the F135 engine program under fire. 

https://www.thedrive.com/the-war-zone/no-engine-no-fly-ongoing-propulsion-program-problems-are-grounding-f-35s 

FBI investigation determined Chinese-made Huawei equipment could disrupt US nuclear arsenal communications - CNNPolitics

https://amp.cnn.com/cnn/2022/07/23/politics/fbi-investigation-huawei-china-defense-department-communications-nuclear/index.html