Chief of the Astronaut Office procedures, and selection and conduct of specific experiments for each flight. Since the Shuttle era, the Chief of the Astronaut Office often returns to active duty in the Office once their term is complete. The Chief is currently responsible for managing Astronaut Office resources and operations, and helps develop astronaut flight crew operation concepts and crew assignments for future spaceflight missions. Chief of the Astronaut Office The Chief of the Astronaut Office is the most senior leadership position for active astronauts at the National Aeronautics and Space Administration (NASA). The Chief Astronaut serves as head of the NASA Astronaut Corps
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