Question: Are Ernst Messerschmid and Michael Foale both former astronauts?
Sentence (from "Shenzhou 10"): The mission had a crew of three astronauts: Nie Haisheng, who was mission commander and previously flew on Shenzhou 6; Zhang Xiaoguang, a former PLAAF squadron commander who conducted the rendezvous and docking; and Wang Yaping, the second Chinese female astronaut.
Relevant evidence: No