NASA is preparing to launch the Artemis I moon rocket Monday. 

NASA will launch its first lunar rocket in the Artemis program on Monday morning.

 This is the first step in a complex series of missions aimed

 human exploration of the Moon, and ultimately Mars. Dubbed

Artemis I, the mission will send an unmanned capsule orbiting the Moon

This operation will launch the first of the Space Launch Systems program.

Artemis I top priority: Testing Orion's new heat shield 

 it re-enters Earth's atmosphere at 25,000 miles per hour