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)
Test of Chinese as a Foreign Language government of China: Nicaragua and Paraguay. Test of Chinese as a Foreign Language The Test of Chinese as a Foreign Language (TOCFL) (formerly known as the TOP or Test Of Proficiency-Huayu )() is Taiwan's Mandarin Chinese test. It is administered by the Steering Committee for the Test Of Proficiency-Huayu (SC-TOP) (). The committee is under the direction of the Ministry of Education of R.O.C. The test cannot be taken in Mainland China, Hong Kong or Macao. In these three areas, only the HSK exam can be taken. Conversely, HSK is not available on Taiwan, Kinmen or any of the territories