NASA's mightiest moon rocket lifts off 50 years after end of Apollo | WGCU PBS & NPR for Southwest Florida
Wednesday morning, after years of delays and billions in cost overruns, the Space Launch System rocket thundered skyward, rising from Kennedy Space Center on 8.8 million pounds (4 million kilograms) of thrust and hitting 100 mph (160 kph) within seconds.
Source: wgcu.org