Really?
So when you add all the research up, what % of the government workforce is that?
As for protective services...well they don't >make< anything. As for gov staff jobs, they really don't make anything...
The poor poor fed...understaffed, underfunded...spending how many trillion/year? You're making me weep. Please stop.
If you would have rattled off some bridgebuilders, roadbuilders, construction workers, shipbuilders...but no...those are all done by private concerns.
(and you brought up gov procurement as productive...I'm going to laugh about that all day)