Which European Space Agency astronaut, Maurizio Cheli or Léopold Eyharts  is a Brigadier General in the French Air Force? 
Léopold Eyharts: Léopold Eyharts (born April 28, 1957) is a Brigadier General in the French Air Force, an engineer and ESA astronaut. Maurizio Cheli: Maurizio Cheli (born 4 May 1959) is an Italian air force officer, a European Space Agency astronaut and a veteran of one NASA space shuttle mission.
Léopold Eyharts