PUBLICATION HISTORY as: "Trainee for Mars" in Fantastic Universe, June 1958. as: "Trainee for Mars" in New Worlds #75, September 1958, p.60-75. as: "Marsrekryterna" in Häpna, October 1959. [Swedish] as: "Equipaggio Cavia" in: Urania #330, 22nd March 1964. Milan: Arnoldo Mondadori Editore. Translated by Beata Della Frattina. [Italian] War with the Robots, September 1962. as: "Trainingsflug" in: Die Roboter Rebellieren [War with the Robots]. 1964. [German] Second Orbit, edited by G.D. Doherty. London: John Murray, 1965, hbk. in: (S-F Magazine), #137, September 1970. Translated by Hahukou Saito. Illustrated by Toru Kanamori. [Japanese] in: Oorlog met de Robots. Deurne: A.W. Bruna and Zoon, 1974, pbk. Translated by C.A.G. Van den Broek. [Flemish] in: [War with the Robots]. February 1980. [Japanese] Galactic Dreams, April 1994. as: "Szimulációs Program" in: Csillagrobbanás, edited by Nemes István. Cherubion, 1998. Translated by Erdõ Orsolya. [Hungarian] 50 in 50, July 2001.