United States Astronaut Badge December 13th 2018. In addition to the astronaut badge, which is worn on a military uniform, an astronaut pin is also issued to all NASA astronauts. It is a lapel pin, worn on civilian clothing. The pin is issued in two grades, silver and gold, with the silver pin awarded to candidates who have successfully completed astronaut training and the gold pin to astronauts who have actually flown in space. Astronaut candidates are given silver pins but are required to purchase the gold pin at a cost of approximately $400. A unique astronaut pin was made for NASA astronaut Deke
Chinese as a foreign language websites catering to speakers of English and over a hundred other languages. Free and Paid-for courses are also offered via podcasts. Software is also available to help students pronounce, read and translate Chinese into English and other languages. Chinese as a foreign language Chinese as a foreign or second language is the study of the Chinese varieties by non-native speakers. Increased interest in China from those outside has led to a corresponding interest in the study of Standard Chinese ("Mandarin") as a foreign language, the official language of mainland China and Taiwan. However, the teaching of Chinese both within and