Commercial astronaut Commercial astronaut A commercial astronaut is a person trained to command, pilot, or serve as a crew member of a privately funded spacecraft. This is distinct from an otherwise non-government astronaut, for example Charlie Walker, who flies while representing a non-government corporation but with funding and/or training coming from government sources. The definition of “astronaut” and the criteria for determining who has achieved human spaceflight vary. The FAI defines spaceflight as any flight over of altitude. In the United States, professional, military, and commercial astronauts who travel above an altitude of are eligible to be awarded astronaut wings. Until 2003,
Chinese as a foreign language in 2001, while the later has not been found so far—Ricci made the transcription system developed in 1598, and in 1626 it was finally published, with minor modifications, by another Jesuit Nicolas Trigault in a guide for new Jesuit missionaries. The system continued to be in wide use throughout the 17th and 18th century. It can be seen in several Romanized Chinese texts (prepared mostly by Michael Boym and his Chinese collaborators) that appeared in Athanasius Kircher's "China Illustrata". The earliest Chinese grammars were produced by the Spanish Dominican missionaries. The earliest surviving one is by Francisco Varo (1627–1687). His