He joined the
Chinese Communist Party in June 1945, and was selected to undergo pilot training at the
Northeast People's Liberation Army Aviation School (a predecessor of the
PLA Air Force Aviation University) in April 1948. He was deployed in the newly established 7th Mixed Brigade after graduating in June 1950, just before the
Korean War broke out. In 1951, Yao's unit, the PLAAF
4th Fighter Aviation Division (reorganized from the 7th Mixed Brigade) was deployed to fight in North Korea. Yao participated in his first air battle on 2 October 1951, as a wingman of the squadron leader , in the airspace above
Anju, South Pyongan. He served as a deputy squadron commander, later promoted to commander. On 17 May 1953, in an air battle north of
Pyongyang, Yao Xian's squadron shot down four American
F-86 Sabre fighters, while losing two
MiG-15s. During the war he was credited with shooting down one American F-86 jet and damaging two others, and awarded the First-Grade Merit. After the Korean War, Yao was successively promoted to regiment commander, division commander, and deputy corps commander. In 1978, he was appointed deputy commander of the
Lanzhou Military Region Air Force. He was transferred to the
Beijing Military Region Air Force (MRAF) in 1987, and promoted to Commander of the Beijing MRAF and concurrently Deputy Commander of the Beijing Military Region in 1990. He was awarded the rank of lieutenant general in 1988. He retired in January 1993. == Personal life ==