Cal/Carl Martin, an inventor and adventurer, created a "three-cartridge rocket pack." He also created one for his fiancée, Doris Dalton. Together they fight crime and the Nazis as Rocket Man and Rocketgirl.

Their enemies included Killer Craci, the Purple Peril, Mr. Death and Doc Watson.

They had no powers but could fly with the help of their jetpacks.

*Scoop Comics #1-3
*Punch Comics #9-11, 13-21
*Punch Comics #12 (Name only)
*Red Seal Comics #22
*Hello Pal Comics #1

*Although many sites claim that Rocket Boy was a sidekick to Rocketman and Rocketgirl, Rocket Boy and Rocketman were never shown on panel together or even appeared in the same story.
*Rocket Man's superhero identity would switch back and forth from Rocket Man to Rocket-Man to Rocketman however, both his first and last appearances had him solidly as Rocket Man. Alternatively, Rocketgirl was always one word and Rocket Boy was always two.
**His alter-ego also went from "Cal" to "Carl."
*When reprinted by St. John Publications, Rocket Man was renamed as Zip-Jet and Rocketgirl was never given a code-name other than being referred to as the "Zip-Jet Doll" by some thugs. Their costumes were colored differently and their names were changed to "Tech" Carson and Pat Dale.
*When re-printed by Bell Features, Rocket Man was renamed Jetman but, Rocketgirl was never given a name.

*[http://www.internationalhero.co.uk/r/rocktman.htm International Hero]
*[http://www.dpccomics.pwp.blueyonder.co.uk/theamericancomicshop/goldenagedatabase/index.php?search=Rocketman&searchnames=on Golden Age Heroes Directory]
*[http://jessnevins.com/encyclopedia/rocketman.html Golden Age Superheroes Encyclopedia]
*[http://web.archive.org/web/20150312213031/www.accomics.com/femforce/femforceprofiles/jet-girl-and-rocketman/ AC Comics]
*[https://projectsuperpowers.wikia.com/wiki/Cal_Martin Project Superpowers Wikia]
*[https://comicvine.gamespot.com/rocketman/4005-1324/ Comicvine]
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