Astronaut training engineers, technicians, pilots, and geologists. In addition there will be a focus on the psychological aspects of long-duration missions where crew is largely isolated. Currently a six-month mission to the ISS requires up to five years of astronaut training. This level of training is to be expected and likely to be expanded upon for future space exploration missions. It may also include in-flight training aspects. It may be possible that the ISS will be used as a long-duration astronaut training facility in the future. A powerful tool for astronaut training will be the continuing use of analog environments, including NASA
Chinese as a foreign language prolific Chinese writer. With his wide command of the language, Ricci impressed the Chinese literati and was accepted as one of them, much to the advantage of his missionary work. Several scientific works he authored or co-authored were collected in the "Siku Quanshu", the imperial collection of Chinese classics. Some of his religious works were listed in the collection's bibliography, but not collected. Ricci and Ruggieri, with the help of the Chinese Jesuit Lay Brother Sebastiano Fernandez (also spelled Fernandes; 1562–1621), are thought to have created the first Portuguese-Chinese dictionary some time between 1583 and 1588. Later, while travelling on