Commercial astronaut the 12 months prior to the proposed qualifying flight will be included as a minimum standard. FAA Commercial Astronaut Wings have been awarded to SpaceShipOne pilots Mike Melvill and Brian Binnie and to Virgin Galactic Unity pilots Mark Stucky and CJ Sturckow. Commercial astronaut A commercial astronaut is a person trained to command, pilot, or serve as a crew member of a privately funded spacecraft. This is distinct from an otherwise non-government astronaut, for example Charlie Walker, who flies while representing a non-government corporation but with funding and/or training coming from government sources. The definition of “astronaut” and the criteria
Chinese as a foreign language China. After this period, only Cantonese and Mandarin remained as the most influential variants of Chinese, the former due to the importance of maritime trade in Guangzhou and the emergence of Hong Kong as a key economy in East Asia. Chinese departments in the West were largely centered on Cantonese due to British colonial rule over Hong Kong until the opening of communist-ruled China starting in the 1970s. The teaching of Chinese as a foreign language in the People's Republic of China started in 1950 at Tsinghua University, initially serving students from Eastern Europe. Starting with Bulgaria in 1952, China