The Army is spending between $6 billion and $7 billion per year in its overseas contingency operations account on "enduring" expenses that would normally be funded in its base budget, according to an executive summary of the service's fiscal year 2017-2021 program objective memorandum, obtained by InsideDefense.com . "The Army's OCO-to-Base liability is currently estimated to be $6B-$7B per year for enduring programs including Operation Spartan Shield forces; non-standard equipment; depot maintenance; reset; intelligence support; and a variety of other...