20 years later, Mark Kelly reflects on the space shuttle Columbia disaster

Wednesday marks 20 years since the space shuttle Columbia disintegrated on its way home. The tragedy not only killed all seven astronauts on board but also was the beginning of the end for the space shuttle program and changed how we explore space now. Science correspondent Miles O'Brien spoke with retired astronaut and Senator Mark Kelly about the Columbia disaster.
Stream your PBS favorites with the PBS app: to.pbs.org/2Jb...
Find more from PBS NewsHour at www.pbs.org/ne...
Subscribe to our CZcams channel: bit.ly/2HfsCD6
Follow us:
TikTok: / pbsnews
Twitter: / newshour
Instagram: / newshour
Facebook: www.pbs.org/new...
Subscribe:
PBS NewsHour podcasts: www.pbs.org/ne...
Newsletters: www.pbs.org/ne...