Astronaut propulsion unit Astronaut propulsion unit An astronaut propulsion unit (or astronaut maneuvering unit) is used to move an astronaut relative to the spaceship during a spacewalk. The first astronaut propulsion unit was the Hand-Held Maneuvering Unit (HHMU) used on Gemini 4. The Hand-Held Maneuvering Unit was the EVA "zip" gun used by Ed White on the Gemini 4 mission in 1965. The hand-held gun held several pounds of nitrogen, and allowed limited movement around the Gemini spacecraft. It was also used by astronaut Michael Collins on the Gemini 10 mission in 1966. The United States Air Force (USAF) Astronaut Maneuvering Unit (AMU)
Chinese as a foreign language the Kuomintang took over control from Japan after World War II. In 2010, 750,000 people (670,000 from overseas) took the Chinese Proficiency Test. For comparison, in 2005, 117,660 non-native speakers took the test, an increase of 26.52% from 2004. From 2000 to 2004, the number of students in England, Wales and Northern Ireland taking Advanced Level exams in Chinese increased by 57%. An independent school in the UK made Chinese one of their compulsory subjects for study in 2006. The study of Chinese is also rising in the United States. The USC U.S.-China Institute cited a report that 51,582 students