When Navy’s football team faced Notre Dame at a neutral site last year, the Mids had to travel to Dublin. When Air Force faces Notre Dame on a neutral site in 2015, the Falcons might have to travel to … Denver. Sports Authority Field at Mile High is less of a road trip than a weekend errand run from Colorado Springs, but it’s one of three neutral-field locations under consideration for the 2015 game, The Denver Post reports. Other options include Chicago — a short trip from South Bend for the Irish — and Cowboys Stadium in Dallas, better known…