The primary argument over the 2017 National Defense Authorization Act revolves around the Overseas Contingency Operations Budget. The Chairman of the House Armed Services Committee, Rep. Mac Thornberry (R-Tex.) says $18 billion should go in the base budget, instead of the OCO budget, and the new President should ask for a supplemental spending bill when the next administration takes office. Defense Secretary Ash Carter says if the NDAA comes to President Obama’s desk with that structure in place, he’ll recommend President Obama veto it and send it back to Congress. The Government Accountability Office reports the Defense Department hasn’t been as precise as it should be in telling Congress how it’s moved money from the base budget to the OCO budget, and back again, in previous years. Tony Bertuca is chief editor of Inside the Pentagon. He reports on the three-way bookkeeping problem among the Pentagon, the GAO, and Congress. He discussed it on National Defense Week.