Replanting boot prints on the Moon. Hurling expeditionary crews to distant and dusty Mars and other destinations. Executing a 21st century outreach campaign to faraway worlds demands a safe, sustainable, and affordable transport vehicle system. In January 2004, U.S. President George W. Bush set NASA in motion to begin developing a new spaceship to carry humans into Earth orbit and beyond. Tagged the Crew Exploration Vehicle, CEV for short, it would be the first piloted vehicle to explore beyond Earth orbit since the space agency