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The acquisition chiefs for the Defense Department and the military services at once were put on notice by lawmakers that they must figure out how to buy weapons in a timely and affordable manner.Congress has handed ever increasing authority to the military service chiefs and their civilian counterparts to swiftly buy weapons and gear they need, said Senate Armed Services Committee Chair John McCain, (R-Ariz.).McCain flat-out asked Ellen Lord, the assistant deputy of defense for acquisition, technology and logistics, who…
