Credit: Orbital ATK

A test version of the booster for NASA's new rocket, the Space Launch System, will fire up for the second of two qualification ground tests at 10:05 a.m. EDT (8:05 a.m. MDT) Tuesday, June 28 at prime contractor Orbital ATK's test facility in Promontory, Utah.

NASA Television will air live coverage of the booster test June 28 beginning at 9:30 a.m.

The will provide NASA with critical data to support qualification for flight. When completed, two five-segment boosters and four RS-25 main engines will power the world's most powerful rocket, with the Orion spacecraft atop, to achieve human exploration to deep-space destinations, including our journey to Mars.

Provided by NASA