John Stewart (DCCU)

John Stewart is a former United States Marine Corps officer who now works in Colonel Steve Trevor's Security Division at A.R.G.U.S.

Biography
John Stewart was a member of the Marine Corps for several years, and was discharged after suffering a horrible injury in his leg during the Kryptonian invasion. He was able to get a low key job at A.R.G.U.S. in Steve Trevor's Security Division.

Trivia

 * In the comics, John Stewart is one of the few humans to become a member of the Green Lantern Corps. He became very popular as the Green Lantern in the Justice League Unlimited animated series.