History Channel team finds large piece of space shuttle Challenger on ocean floor
One the largest pieces of NASA's fallen space shuttle Challenger has been discovered on the ocean floor by a TV documentary team searching for a downed World War II-era aircraft for The History Channel.
TroibNews 
One the largest pieces of NASA's fallen space shuttle Challenger has been discovered on the ocean floor by a TV documentary team searching for a downed World War II-era aircraft for The History Channel.
