(Editor's note: This story has been updated with new information following a briefing with Air Force budget officials.) The Air Force's $132 billion fiscal year 2018 base budget seeks a slight boost to F-35 procurement, adds funding for studies and planning for new fighter and unmanned platforms and “maximizes” production capacity for key munitions. According to a budget overview released May 23 , the Air Force wants to buy 46 F-35A aircraft in FY-18, a slight increase from its...