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 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