We could trim billions and billions off the yearly defense budget and barely change the day-to-day operations. However, the large defense contractors have insanely powerful lobbyists that ensure that we keep paying $3 for that same bolt I could get at Lowes for 20 cents. The Air Force used to have a deal where people could report money saving oppotunities to their supervisors and receive a check for a percentage of the money it could save the DOD. They don't even bother to do that now.