Which was an air force officer and an ESA astronaut, Claude Nicollier or Roberto Vittori?
Roberto Vittori Roberto Vittori (born 15 October 1964 in Viterbo) is an Italian air force officer and an ESA astronaut. After graduating from the Italian Accademia Aeronautica in 1989, Vittori flew in the Italian Air Force. He then trained as a test pilot in the United States.
Ricardo Peralta y Fabi Ricardo Peralta y Fabi (born August 15, 1950) is a Mexican mechanical engineer and former astronaut trainee who was a backup for astronaut Rodolfo Neri Vela on STS-61-B. Peralta was one of three people selected among 400 applicants to the Mexican space program.