The Defense Department, tapping savings from several Army contracts covering ammunition and the Joint Light Tactical Vehicle, is preparing to make a $300 million weapons transfer to Ukraine even as Congress remains stalled over a proposed supplemental appropriation needed to replenish U.S. stocks. Though the Senate passed a $95 billion security supplemental that would, in part, aid Ukraine and replenish DOD’s weapons stores, Republicans have blocked the package in the House. Senior defense officials who briefed reporters today on the...