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 further. In a Biblical vein similar to Kircher's, he tried to demonstrate that Chinese was the Primitive or Adamic language. In his "An Historical Essay Endeavoring a Probability That the Language of the Empire of China Is the Primitive Language" (1669), he suggested that Chinese was the language spoken before the confusion of tongues. Inspired by these ideas, Leibniz and Bacon, among others, dreamt of inventing a "characteristica universalis" modelled on Chinese. Thus wrote Bacon: Leibniz placed high hopes on the Chinese characters: The serious study of the language in the West began with missionaries coming to China during the