Astronaut Force Base. Astronauts is training must learn how to control and fly the Space Shuttle and, it is vital that they are familiar with the International Space Station so they know what they must do when they get there. Mission Specialist Educators, or "Educator Astronauts", were first selected in 2004, and as of 2007, there are three NASA Educator astronauts: Joseph M. Acaba, Richard R. Arnold, and Dorothy Metcalf-Lindenburger. Barbara Morgan, selected as back-up teacher to Christa McAuliffe in 1985, is considered to be the first Educator astronaut by the media, but she trained as a mission specialist. The Educator
Chinese as a foreign language were studying the language in US colleges and universities. While far behind the more than 800,000 students who study Spanish, the number is more than three times higher than in 1986. The Institute's report includes graphs and details on the popularity of other languages. As of 2008, China had helped 60,000 teachers promote its language internationally, and an estimated 40 million people were studying Chinese as a second language around the world. Other than Standard Mandarin, Cantonese is the only other variant of Chinese that is widely taught as a foreign language. It is the official language of Hong Kong