IBM AN/FSQ-7
One of David's compatriots owns a computer company and, with the use of their SAGE computer, they hope to be able to predict the Invaders' movements.
Having convinced a group of people to join his cause, David Vincent is captured by the Invaders who try to make him betray the whereabouts of those other believers.
One of David's compatriots owns a computer company and, with the use of their SAGE computer, they hope to be able to predict the Invaders' movements.