Jinan Military Region
of the Dalian Forward Headquarters (2007). In June 2007 he was transferred to the Nanjing Military Region Air Force as deputy chief of staff. He became chief of staff of the Jinan Military Region Air Force in May 2009, and deputy commander in August 2011. In December 2012, he was promoted to commander of the Jinan Military Region Air Force and deputy commander of the Jinan MR. In February 2016, during Central Military Commission chairman Xi Jinping's military reform, Sun was appointed commander of the Eastern Theater Command Air Force and deputy commander of the newly established Eastern Theater Command.