Bui Thanh Liem
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Bùi Thanh Liêm (June 30, 1949 - September 26, 1981) was a Vietnamese astronaut.
Born in Hanoi, Vietnam, he was a pilot for the North Vietnamese military who rose to the rank of Captain and flew many combat missions during the Vietnam War. He graduated from Gagarin-Military Academy near Moscow in 1978
Liêm was selected as backup of Phạm Tuân who was the first Vietnamese and the first Asian in space on the Soyuz 37 mission.
In 1981, he was killed in a MIG-21 aeroplane crash.