Notes:
Story in two parts: Part One (5.67 pp. & Part Two (8.67 pp.). This issue introduces Mac the second G.I. Robot. It is stated in story that a member of the Suicide Squad went on a mission with the first Mac, but both went missing in action. The first G.I. Robot appeared in issues #101-103, however in those stories the robot was called Joe and the human was named Mac. It is unknown if the Squad member that went MIA with G.I. Robot #1 is the same person as Mac the human.
Notes:
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Schwartz kept editorial records for Robert Kanigher, who edited this issue.