Watch the massive rocket blast that will send humans to Mars

Deep in the Utah desert, NASA just tested a booster that will send the most powerful rocket in history into deep space. 

Watch the massive blast above, which created 3.6 million pounds of thrust, equivalent to 14 Boeing 747s taking off at the same time. 

It’s the second ground test for the Space Launch System rocket. The first flight test is scheduled for 2018.