United States Astronaut Badge is used for USAF Mission Specialists who have completed training but not a mission and are not otherwise aeronautically rated as a USAF pilot, RPA pilot, combat systems officer, air battle manager, or flight surgeon. In 2007, the U.S. Air Force announced the opening of astronaut mission specialists positions to enlisted personnel who met certain eligibility requirements. These requirements include: No enlisted astronaut badges are yet known to have been issued. The gold astronaut device is issued by the U.S. Army to Army aviators, flight surgeons, and aircrew members that qualify as astronauts. The astronaut device is a gold shooting
Chinese as a foreign language use of Westerners. Due to the status of Guangzhou as the only Chinese port open to foreign trade and exchange in the 1700s, Cantonese became the variety of Chinese that came into the most interaction with the Western world in early modern times. Foreign works on Chinese were largely centered around this variant until the opening up of other Chinese regions for commerce through unequal treaties, which exposed European scholars to a much larger number of Chinese varieties. In 1814, a chair of Chinese and Manchu was founded at the Collège de France, and Abel-Rémusat became the first Professor of