The Pentagon has a well-known and documented inability to do anything with tax money other than consume it endlessly then like a spoiled brat say "I'm hungry...more...more". (See the Pentagon Spending item in the topic cloud bubble on the right).
What really grates though is when they actually say "What? It can't be our fault...we are the perfect and beloved military".
Another case has recently come to light about a rather large and extravagant expenditure in Afghanistan that was never used, except as this article wryly notes, "perhaps for target practice by the Taliban".