I saw plenty of waste in the Army...it was everywhere...so there is definitely some room for belt tightening there.
I was assigned to work with the DA civilians for a while, and I got to witness how they responded to Al Gore's 're-inventing government'. If you remember, he was looking for waste in government. What did the DA Civilians do? They assigned somebody to 'find waste'...but that somebody really just wasted months of time tallying up every little task that each civilian did...resulting in their conclusion that there were no positions which could possibly be cut. Go figure
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So an independent auditor (really independent, not some IG team) would be great in the military.