Question: WashU 1992 alum Col. Robert Behnken is a NASA astronaut who most recently served as joint operations commander on the SpaceX Crew Dragon Demo-2 mission. How many spacewalks has Behnken completed?
![Behnken](https://source.wustl.edu/app/uploads/2020/11/73cd96c2b6b8a6f4045cfc218d6e392de94be0e3-300x210.jpg)
Answer: D) Behnken — who earned bachelor’s degrees in mechanical engineering and in physics — has completed 10 spacewalks, tying him with three others for the most spacewalks by an American astronaut.
Congrats to this week’s winner, Banan Ead, an Arts & Sciences alum who works at the School of Medicine and will receive an “I Knew WashU” luggage tag!