This isthe fifth crewed mission for China's Shenzhou program which lasted 15 days. Shenzhou-10 began its mission by bringing Nie Haisheng, Zhang Xiaoguang and Wang Yaping to the Tiangong-1 space station. During their 12-day stay at the station astronauts conducted space medicine and technological experiments, and Wang Yaping gave a lecture for over 60 million Chinese students. On 23 June undocked from the station and performed manual re-docking procedure, which was one of the objectives of the mission. On 25 June Shenzhou-10 undocked from the station and landed safely on the morning of the next day.
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.