NASA ground tested its Space Launch System for the very first time this week.

NASA on Wednesday fired up its Space Launch System (SLS) for the very first time and thankfully, we can watch the "largest, most powerful rocket booster ever built" produce 3.6 million pounds of thrust in two minutes of awesome.

The SLS will be responsible for lifting NASA's deep-space Orion crew vehicle into space, carrying astronauts to destinations like Mars and near-Earth asteroids.

This week's "major-milestone" ground test was conducted at NASA commercial partner Orbital ATK's Promontory, Utah test facility. It's difficult not to be dumbstruck with the sheer power on display in the video of the test below as the enormous booster scorches the valley around it with enormous jets of flame and billows of smoke.

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Watch NASA Fire Up the Biggest Rocket Ever Built