OSI agent sent to investigate mysterious deaths at a secret desert facility. Partners with Joanna Merritt to uncover sabotage of the NOVAC computer by an enemy-controlled robot plane. He stops a catastrophic nuclear chain reaction initiated by the robot Magog, fights off the twin robot Gog, and survives radiation exposure alongside Merritt.
Burden is one of the scientists endangered by the sabotage Sheppard is trying to stop.
Dr. Peter Burden, the chief atomic engineer, is attacked but survives, while Sheppard investigates the attacks at the facility.
Sheppard's investigation uncovers the hidden compromise of Zeitman's computer design.
Sheppard determines that the radio transmitter and receiver were secretly installed in NOVAC during its construction without Zeitman's knowledge.
Van Ness assists Sheppard during the decisive robot attack.
Van Ness arrives with another flamethrower to help Sheppard fight Gog in the reactor room.
They cooperate as OSI agents investigating the compromised facility.
Sheppard is sent to the facility and works with Joanna Merritt, the OSI agent already stationed there, to investigate the deaths and sabotage.
Explore the full interactive character relationship map of Gog