Earlier quoted context omitted.
Black projects are not listed in a public budget. The premise of it being tax money is also suspect. The US government does not get all of the money from taxes despite the popular notion. I agree with your gist however; A modern day human sacrifice.
Could you list some of the other sources of government funding? The only one I can think of is the alleged CIA drug trafficking scandals from decades past.
http://en.wikipedia.org/wiki/The_Politics_of_Heroin_in_South...
This of course does not cover Afghanistan and Iran/Contra.
Here's a paper examining CIA Black Funding simply by looking at the trillion or so dollars of misallocated DoD money over fifty or so years:
http://www1.american.edu/salla/Articles/BB-CIA.htm
A trillion here and there and pretty soon you're talking real money.