Captain Eugene Cernan; Scott Keogh, President, Audi of America; Marc Lichte, Head of Design of AUDI AG; Prof. Rupert Stadler, Chairman of the Board of Management of AUDI AG and Dr. Stefan Knirsch, Member of the Board of Management of AUDI AG for Technical Development, next to the Audi h-tron quattro concept, at the 2016 North American Auto Show in Detroit © Volkswagen AG