Bilmes discusses âThe Financial Legacy of Iraq & Afghanistan: How Wartime Spending Decisions Will Constrain Future National Security Budgets,â prepared for JFK Center; focusing on long term human, social, economic costs of 2 wars financed by borrowing $ 2 trillion; estimates lifetime costs at $4-6 trillion; compares current wars with WW 1 & 2 & Vietnam; expanded role of Nat. Guard, Reserves & stress of unprecedented multi tours; 56% of vets, 870 thousand, on disability; warâs effects on women soldiers; scandal of soaring profits of unsupervised TRICARE insurance administrators.