NASA Astronaut Corps their home agency but trained with and serve alongside their NASA counterparts. International astronauts, Payload Specialists, and Spaceflight Participants are not considered members of the NASA Astronaut Corps. The term "Astronaut Candidate" (informally "ASCAN") refers to individuals who have been selected by NASA as candidates for the NASA Astronaut Corps and are currently undergoing a candidacy training program at the Johnson Space Center. The most recent class of Astronaut Candidates was selected in 2017 after receiving more than 18,300 applications. Upon completion of a two-year training program, they will be promoted to the rank of Astronaut. Selection as an Astronaut
Chinese as a foreign language Chinese in Europe. In 1837, Nikita Bichurin opened the first European Chinese-language school in the Russian Empire. Since then sinology became an academic discipline in the West, with the secular sinologists outnumbering the missionary ones. Some of the big names in the history of linguistics took up the study of Chinese. Sir William Jones dabbled in it; instigated by Abel-Rémusat, Wilhelm von Humboldt studied the language seriously, and discussed it in several letters with the French professor. Local Chinese variants were still widely used up until a Qing dynasty decree in 1909 that mandated Mandarin as the official language of