Fired up! Did you miss today's booster test for our Space Launch System, the world’s most powerful rocket? Watch it now! During the SLS flight the boosters will provide more than 75 percent of the thrust needed to escape the gravitational pull of the Earth, the first step on our journey to Mars. More: http://www.nasa.gov/sls | NASA - National Aeronautics and Space Administration

Ignition! NASA - National Aeronautics and Space Administration booster test lights up Utah | Reuters