Peggy Whitson
American astronaut and biochemistry researcher
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| April 2024 | Confirmed as the commander of Axiom 4, a 16-day mission to the International Space Station with a four-person crew, scheduled to launch no earlier than May 2025. |
| May 2021 | Confirmed as commander of Axiom Mission 2, marking a significant leadership role in commercial space missions. |
| January 2021 | Announced as back-up commander of Axiom Mission 1, potentially setting the stage for a future Axiom Space mission. |
| June 2020 | Appeared as a guest on ABC-TV's To Tell the Truth episode, highlighting her space record. |
| 2018 | Whitson is included in Time magazine's 100 Most Influential People. |
| June 15 2018 | Peggy Whitson retires from NASA after a distinguished career as an astronaut. |
| 2017 | Whitson becomes the first woman to command the International Space Station for a second time, completing a 289-day flight which was the longest single space flight by a woman at that time. |
| September 3 2017 | Returned to Earth after accruing 665 total days in space, more than any other woman worldwide and any other American. Her stay during Expeditions 50/51/52 was 289 days, 5 hours, and 1 minute. |
| June 1 2017 | Passed over command of the International Space Station to Fyodor Yurchikhin for Expedition 52. |
| May 23 2017 | Performed her tenth career EVA with Jack Fischer, replacing a backup multiplexer-demultiplexer (MDM) unit. The EVA lasted 2 hours and 46 minutes, bringing her cumulative EVA time to over 60 hours. |
| May 12 2017 | Performed her ninth career EVA with Jack Fischer, replacing an avionics box on the ISS's starboard truss. The EVA lasted 4 hours and 13 minutes and was the 200th EVA performed on the ISS. |
| April 24 2017 | Officially broke the NASA record for longest time spent in space, receiving a televised phone call from President Donald Trump, Ivanka Trump, and astronaut Kathleen Rubins. |
| January 2017 | Performed her seventh EVA with Expedition 50 commander Shane Kimbrough, installing adapter plates and electrical connectors. The EVA lasted 6 hours and 32 minutes, tying the record for total spacewalks by a woman. |
| November 19 2016 | Arrived at the International Space Station and became the commander of Expedition 51. |
| November 17 2016 | Launched on Soyuz MS-03 from Baikonur cosmodrome in Kazakhstan, becoming the oldest woman to fly into space at age 56. |
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