Challenger Disaster Live on CNN

ᴜɴɪᴠᴇʀsɪᴀ on Instagram: "This is a difficult but important piece of history. You are looking at a heavily damaged Space Shuttle Main Engine (SSME) recovered from the Atlantic Ocean following the tragic loss of Space Shuttle Challenger (STS-51-L) and its seven crew members on January 28, 1986. Seventy-three seconds after liftoff, a catastrophic failure caused the shuttle to break apart. In the months that followed, an enormous effort was undertaken to recover debris like this engine component. Ex