Lauded Starfleet officer (2279-2364) who had commanded the U.S.S. Gettysburg during his youth, yet ruined his career and his legacy when it was revealed he had traded weapons for hostages years earlier on Mordan IV. Jameson had been suffering from Iverson's Disease and sought to return to his youth through a rejuvenation treatment on Cerebus II, which reversed the aging process. Jameson died of side-effects from the rejuvenation treatment.