United States Astronaut Badge United States Astronaut Badge The United States Astronaut Badge is a badge of the United States, awarded to military pilots, naval flight officers, navigators/combat systems officers (this badge can also be awarded to USAF officer astronauts who are not navigators/CSOs, but who wear the same insignia while designated as astronaut-qualified Air Force "observers"), flight surgeons, and civilian pilots who have completed training and performed a successful spaceflight. A variation of the astronaut badge is also issued to civilians who are employed with the National Aeronautics and Space Administration as specialists on spaceflight missions. It is the least awarded qualification badge
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