Grant James Campbell was a former businessman and international playboy, the head of a worldwide corporation. he Joined Action Force in search of new Adventures and Excitement. He Graduated First in Action Force Training College, with a distinction in Unarmed Combat and military strategy. He was also top of the class at special Training school. He served in Action Force as Captain of Z Force, staying on when they were absorbed into G.I.Joe
After the Warping Week Edit
After the Warping Week Action Force was disbanded as G.I.Joe recalled all its overseas assets and Grant was facing retirement, when he was approached by Agent Zero to become part of a new UK based Action Force. Grant leapt at the opportunity; he was re-united with some of his old friends and teammates from his early Action Force days.