 Ask your doctor about Sky Rizzi today and visit SkyRizzi.com or call 1-866-SKY-RIZZI to learn more. A NASA project's wrapping up that aims to help astronauts go to Mars. The first Crew Health and Performance Exploration Analog, or CHPEA, mission began June 25th of last year. Principal Investigator Grace Douglas has the four entered the habitat at Johnson Space Center.