>One of the interesting lessons of the past few years is that supply chain lead times are a thing and policy doesn't just happen because central planning says it should.
I would say exactly the opposite, the vaccines were made quite quickly and there weren't major supply issues.
The Defense Production Act (er... central planning as you put it) was used to say what was going to happen when with money to back it up and... things happened quickly.
DPA wasn't invoked to build you new cars or supply you toilet paper so... those things had their supply issues.
The US actually can do logistics very well, especially when there's somebody willing to foot the bill for big asks. The lack of corruption and general merit-based placement here compared to so many other places combined with a large degree of vertical integration means that we can accomplish quite a lot and is one of the underappreciated cornerstones of our ability to make war (and why nobody wants to fight us).
We are decimating (and then some) Russia's military by giving away second tier equipment to Ukraine, and the amount we're giving away is basically an afterthought. A one-time superpower is scraping the bottom of the barrel for equipment fighting against largely NATO supplied spare equipment.