What country of origin does Roberto Vittori and Maurizio Cheli have in common?
Roberto Vittori: Roberto Vittori (born 15 October 1964 in Viterbo) is an Italian air force officer and an 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.
Italian