Question: What program was PLAAF pilot Chen Dong selected to be in?

Context paragraphs:
Zhang Jihui: Zhang Jihui (; born January 1927) was the Deputy Commander of the Chinese People's Liberation Army Air Force (PLAAF) and a highly decorated fighter pilot during the Korean War.  Zhang joined the PLAAF in 1945 and was one of the first combat pilots trained for the PLAAF.  He was later posted at the Chinese 4th Aviation Division, which was also the first Chinese air unit that entered combat during the Korea War.  On February 10, 1952, Zhang became famous in China due to the death American ace Major George Andrew Davis, Jr., and he is credited by the Chinese for shooting down the American ace until Russian sources disputed his claim 40 years later with different theories lie in who and how the Chinese and Russian fighter pilots may have engaged the American fighter pilots.  Zhang claimed a total of four victories during his service in Korea, and he was awarded the title Combat Hero, 1st Class during his service.  After the Korean War, Zhang had held various commands and became the Deputy Commander of PLAAF in 1973.  Outside of his military career, Zhang was also the Deputy Mayor of Yantai.

Challenger's Alliance: Challenger's Alliance, also known as Challenger Union (Chinese: 挑战者联盟), is a Chinese variety show airing on September 21 of 2015.  In season 1, the show featured an all-star cast of Fan Bingbing, Li Chen, Wu Yifan, Lin Gengxin, Dong Chengpeng, and Chen Handian.  Every episode, the cast will spend a day performing a job and finishing a specified task while doing it, if they accomplish the task, they gain a win, if they do not, they fail.

Wenbo Chen: Wenbo Chen is an American diving coach.  He started his career in the United States at Moss Farms Diving in Moultrie, GA in 1994.  When Jay Lerew left in 1996, Chen became the head diving coach and continued to develop the diving program until 2001.  Chen left to lead the Purdue University Diving Team until 2005 when he was recruited to lead as the head coach of USA Diving.  During this time with USA Diving, Chen led his divers to the 2008 Beijing Olympics.  In 2009, Chen was hired on by the University of Minnesota Diving Team.  In 2012, Chen coached Kelci Bryant to win the silver medal at the London Olympics in 3-M Women's Synchro.  Chen has been described by the University of Minnesota as one of the "most respected and accomplished coaches in the world".

Chen Xiaogong: Chen Xiaogong (; born August 1949) is a retired lieutenant general ("zhong jiang") of the People's Liberation Army Air Force (PLAAF) of China.  He served as Deputy Commander of the PLAAF from 2009 to 2013, and the PLA's intelligence chief from 2003 to 2007.

Chen Dong (astronaut): Chen Dong (; born 12 December 1978) is a Chinese pilot and astronaut selected as part of the Shenzhou program.  A fighter pilot in the People's Liberation Army Air Force, he was selected to be a CNSA astronaut in 2010.

Chen Dong (general): Chen Dong () is a lieutenant general ("zhong jiang") of the People's Liberation Army Air Force (PLAAF) of China.  He has been Deputy Commander of the PLAAF since late 2012.  He formerly served as Director of the Electronic Warfare Department (Department 5) of the PLA General Staff Department.  He was elevated to the rank of lieutenant general on 16 July 2014.

Chen Zhonghua: Joseph Chen Zhonghua (陈中华), courtesy name Dongliang (栋梁), born in 1961, Shandong Province, China, is a Chinese martial arts practitioner, teacher and author.  Chen studied with two outstanding eighteenth generation Chen Style Taijiquan (陳式太極拳) experts, Hong Junsheng (洪均生; 1907 - 1996) and Feng Zhiqiang (冯志强, 1928-2012).  He and his family emigrated to Canada in 1985.  This has allowed him to actively promote Hong's transmission of Chen t'ai chi ch'uan(also known as the Practical Method) through his students, seminars, books, instructional videos and websites around the world.  In 2005, he was designated the International Standard Bearer of Hong's Practical Method by the Hong family in a ceremony held in Jinan (济南), China.  Since 2006, Chen has run a residential taijiquan training program on Daqingshan (“Big Green Mountain”; 大青山), Shandong Province (山东省), China.  Martial arts enthusiast from all over the world can train according to traditional Chen taijiquan methods following the lineage from Chen Fake to Hong and Feng.

Chen Shutong: Chen Shutong (1876 – 17 February 1966) was a Chinese politician who served in the governments of the Qing Dynasty, the Republic of China and the People's Republic of China.  He was born in Hangzhou, Zhejiang, and received the title of Jinshi in 1903.  From 1904 to 1906, Chen studied abroad at Hosei University in Japan.  Following the Xinhai Revolution in 1911, Chen was selected as a representative to the National Assembly.  He served in various positions until 1915, when he became the chairman of the Commercial Press in Shanghai.  Beginning in 1927, Chen served for a long period as the chairman of The National Commercial Bank.  Chen opposed Japanese occupation during the Second Sino-Japanese War, and fled to Hong Kong through an underground Communist Party of China organization in 1948.

Chen Dong (footballer): Chen Dong (; born 3 May 1978 in Jilin) is a Chinese football player.

People's Liberation Army Air Force: The People's Liberation Army Air Force (PLAAF) is the aerial warfare service branch of the People's Liberation Army, the armed forces of the People's Republic of China.  The PLAAF was officially established on 11 November 1949.  As of 2014, the PLAAF has a strength of around 398,000 personnel and is the largest air force in Asia.

Supporting paragraphs: Chen Dong (astronaut) People's Liberation Army Air Force
Answer: Shenzhou program