John Stewart - architect, U.S. Marine veteran, intergalactic guardian, and hero. After his service in the Marines, John Stewart was selected by the Guardians to be inducted into the Green Lantern Corps, bear the power ring, and protect Sector 2814 where his home planet, Earth, is located. An active member of the Justice League, Stewart stands alongside the other great heroes of the DC Universe to uphold justice and protect his planet, sector, and fellow man against the powers of evil. For more on this character, click here.