At 56, astronaut Peggy Whitson is a lot younger than John Glenn was when he flew in a space shuttle at 77, but when Whitson launches with two other crew members toward the International Space on Nov. 18 she will become the oldest female astronaut in the world to fly into space.
The launch is 3:20 p.m. EST Thursday, which is early Friday morning at the Baikonur cosmodrome in Kazakhstan.
Here’s a look back at her barrier-breaking career.
Above: From left, Thomas Pesquet of France, Peggy Whitson and Oleg Novitsky of Russia pose during a training session in Star City outside Moscow on Oct. 25, 2016. All three will spend approximately six months on the International Space Station.
While Whitson was commanding the space station, the space shuttle Discovery, commanded by Pam Melroy, docked at the station, marking the first time both spacecraft had been commanded by women simultaneously.
Whitson has already racked …