Air Force Col. Jack Fischer, 50th Space Wing vice commander, speaks to a group of Wolf Pack members at the base theater during his visit at Kunsan Air Base, Republic of Korea, Jan. 22, 2020. Fischer has spent more than 130 days in space conducting hundreds of scientific experiments and two spacewalks. ( Air Force photo by Staff Sgt. Anthony Hetlage)

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Photo credit: © Operation 2021 / Alamy / Afripics
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