Peggy Whitson: space-station science and command
Peggy Whitson’s NASA career combined scientific work with International Space Station command responsibilities.
Peggy Whitson’s NASA career combined scientific work with International Space Station command responsibilities.
Science before and during flight
NASA’s 15 June 2018 retirement release traces Whitson’s scientific work before astronaut selection in 1996. It identifies her first station flight as Expedition 5 in 2002, when she became NASA’s first space-station science officer.
A command milestone
The release identifies Whitson as the first woman to command the space station during Expedition 16 and the first woman to command it twice. This article describes those historical achievements without treating the release’s flight totals as her current career totals.
Why dated records matter
A retirement announcement is reliable evidence of what the agency reported at that moment. It is not automatically a complete record of everything that happened afterwards. When studying a living person, attach the source date to career totals and current-role claims.
A useful revision exercise
Make a two-column note: scientific responsibilities and command responsibilities. Explain how these are different kinds of work within one career. This avoids confusing mission participation with leadership of a station expedition.
Publication disclosure
This article was researched and published with AI assistance. No human prepublication review is claimed. Report factual errors through our contact page.
Frequently asked questions
Does this profile give Whitson’s current flight-day total?
No. It uses a dated historical source and avoids presenting its totals as current.