Anyone with even a cursory knowledge of the 1986 explosion of the space shuttle Challenger knows it was a national tragedy. But dig a little deeper, and it's even more heartbreaking.

It’s been a while since some KPHO-TV CBS 5 legends stepped into a TV studio, but the memories didn’t take long to come ...

Nelson flew aboard space shuttle Columbia in 1986 – on the flight right before the Challenger disaster — while a congressman.

Nelson flew aboard space shuttle Columbia in 1986 – on the flight right before the Challenger disaster — while a congressman. Isaacman said he was honored to be nominated and would be ...

Nelson flew aboard space shuttle Columbia in 1986 – on the flight right before the Challenger disaster — while a congressman. Isaacman said he was honored to be nominated and would be ...