U.S. senators gather on Wednesday in Washington, D.C. to consider obstacles, as NASA’s chief spells out some of the challenges facing its Artemis program.

During the hearing, National Aeronautics and Space Administration’s (NASA) Chief Jim Bridenstine introduces the return to the Moon program.

[Jim Bridenstine, NASA Administrator]: (0:17s)

"This time, under the Artemis program, when we go forward to the moon sustainably we go with a very diverse highly qualified astronaut corps that includes women."

He mentions several hurdles that NASA will face in landing astronauts, including the first female astronaut on the moon.