Defense costs not included in the Pentagon budget

William Hartung has an interesting article, The Hidden Costs of ‘National Security', in which he lists a number of defense-related costs that are not in the Pentagon's budget. These total $450.6 billion dollars, or about 78% of the Pentagon budget. They are: 

War Budget: $64.6 Billion

Department of Energy (nuclear): $20 Billion

Veterans: $186 billion

Military Retirement: $80 Billion

Defense Share of the Interest on the Debt: $100 billion