A senior Pentagon acquisition official said this week that multiyear contracts are key to the long-term effort to support Ukraine against an ongoing Russian invasion and will serve as a "demand signal" for industry to replenish U.S. weapons that have been transferred there. Deputy Defense Secretary for Acquisition and Sustainment Radha Iyengar Plumb explained at a Center for Strategic and International Studies event Wednesday that the department seeks to combat fragility in the U.S. industrial base that the war in...