Astronaut limit water use to only about three gallons (11 liters) per day. In Russia, cosmonauts are awarded Pilot-Cosmonaut of the Russian Federation upon completion of their missions, often accompanied with the award of Hero of the Russian Federation. This follows the practice established in the USSR where cosmonauts were usually awarded the title Hero of the Soviet Union. At NASA, those who complete astronaut candidate training receive a silver lapel pin. Once they have flown in space, they receive a gold pin. U.S. astronauts who also have active-duty military status receive a special qualification badge, known as the Astronaut 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