While in the army, Forge served in the Vietnam War. After rising in the ranks to become a sergeant, he was asked to join S.H.I.E.L.D.[volume & issue needed] Forge declines, seeing his need is in Vietnam. During his second tour of duty in the war, his comrades are killed by enemy troops. In anger, he uses their spirits to summon a band of demons to destroy the opposition. Forge, concerned about his former comrades, decides to order a B-52 bombing on his position to close the portal from the world of the unliving. The bombs destroy the spirits, but he is injured as well, losing his right leg and right hand. This action allows the demon called the Adversary to come to Earth. After this, Forge is hesitant to employ his mystical abilities.