Tragedy struck when the Space Shuttle Challenger disintegrated just 73 seconds into flight. Hours earlier, engineers argued to cancel the launch, amid fears of such a tragedy – so why did it go ahead?
★ 5.3
HD
★ 7
HD
★ 8
HD
★ 8.2
HD
★ 7.2
HD
★ 7.5
HD
★ 7.8
HD
★ 7.6
HD
