| Issue | #421 |
| Published | August-October 1952 |
| Frequency | quarterly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia title is "TOM CORBETT, SPACE CADET, No. 421". Code number is S.C.O.S. #421-528. Copyright 1952 by Videofeatures, Inc. This is the third Tom Corbett Four Color issue. The title continues in Tom Corbett, Space Cadet (Dell, 1953 series) with #4 (November 1952-January 1953). Based on the 1950-52 TV series "Tom Corbett, Space Cadet." |
| Characters | Tom Corbett; Roger Manning |
| Genre | science fiction |
| Pencils | Alden McWilliams (painting) |
| Inks | Alden McWilliams (painting) |
| Colors | Alden McWilliams (painting) |
| Notes | Pencils, inks, and colors credits for this sequence from Alberto Becattini (May 14, 2007). |
| Characters | Frankie Thomas (as Tom Corbett, photo); Al Markin (as Astro the Venusian, photo); Jan Merlin (as Roger Manning, photo); John Fiedler (as Alfie Higgins, photo) |
| Synopsis | Academy classroom photo from TV show. |
| Genre | science fiction |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Letters | typeset |
| Notes | Inside front cover; black and white. One photo and typeset text. |
| Characters | Tom Corbett; Roger Manning; Astro the Venusian; Alfie Higgins; Commander Awkright; Capt. Steve Strong; Dr. Joan Dale |
| Synopsis | A headstrong swashbuckler, Skip McKay, is in command of a spaceship of colonists bound for Jupiter's moon, Io. Capt. Strong and the cadets accompany them in a separate ship to see that the colony is set up according to law. The colonists make it to Io, but McKay discovers uranium there and causes trouble. |
| Genre | science fiction |
| Script | Paul S. Newman |
| Pencils | Alden McWilliams |
| Inks | Alden McWilliams |
| Notes | Story continues on inside back cover and concludes on back cover. A similar plot is used in the Grosset & Dunlap Tom Corbett book "Space Pioneers" (1954) by Carey Rockwell (a house name, who may or may not be Joe Greene or Richard Jessup.) Pencils and inks credits for this sequence from Alberto Becattini (May 14, 2007). Script credit from Robin Snyder, taken from Paul S. Newman's personal records (July 22, 2007). |