"In History Comics: The Challenger Disaster, we turn the clock back to January 28, 1986. Seven astronauts boarded the space shuttle Challenger on what would be a routine mission. All eyes and cameras were on crew member Christa McAuliffe, a high school teacher, who was set to become the first private citizen in space. Excitement filled the air as the clock counted down to liftoff. But at T-plus seventy-three seconds after launch, the unthinkable happened......