History: The last known photo of Challenger crew boarding the space shuttle. January 28, 1986. [750 X 750]

https://i.redd.it/ho7eaqitzc471.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/nwe478/the_last_known_photo_of_challenger_crew_boarding/?utm_source=ifttt