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 late 16th century. Among the first were the Italian Jesuits, Michele Ruggieri and Matteo Ricci. They mastered the language without the aid of any grammar books or dictionaries, and are often viewed as the first Western sinologists. Ruggeiri set up a school in Macau, which was the first for teaching foreigners Chinese and translated part of the "Great Learning" into Latin. This was the first translation of a Confucian classic into any European language. He also wrote a religious tract in Chinese, the first Chinese book written by a Westerner. Matteo Ricci brought Western sciences to China, and became a