Go Navy - become a pilot and do the 10 years. If you can't (washout, medical, etc...) get into Intel and get the highest level security clearance you can. Serve your commitment and get any and all education you can on the governments dime...
Then you can go back into federal service (CIA, FBI, DIA, etc...) and do intel or go corporate for a DoD/ Fed gov contracting company like I did with SAIC.