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Space Cadet is a 1948 military sci-fi novel for young adults by Robert A. Heinlein.

Space cadet—or similar—may also refer to:

• Tom Corbett, Space Cadet, 1950s literary and audiovisual spin-offs of Heinlein's novel created by Joseph Greene

• Space Cadet (2024 film), a film starring its executive producer Emma Roberts
• Space Cadet (2025 film), a Canadian animated film by Kid Koala

• Space Cadet (comic), a 1965 feature in the British Ranger magazine
• Space Cadet (graphic novel), 2011, by Kid Koala—with an accompanying music CD

• "Space Cadet" (song), 2019, by Metro Boomin
• Space Cadet (EP), 2019, by Beabadoobee
• Space Cadet Solo Flight, a 1981 album by KC and the Sunshine Band
• "Space Cadet", a song by Kyuss from Welcome to Sky Valley
• "Space Cadet", a song by hip-hop artist Kollision from album Control The Streets Vol. 1
• Space Cadets, a band with Jim Capaldi on drums

• Space Cadets (game show), a 1997 British television comedy panel show
• Space Cadets (TV series), a 2005 hoax event and reality show on British television
• "Space Cadet" (Recess episode)
• "Space Cadet" (Family Guy), an episode of Family Guy

• Space Cadet, a table in the Full Tilt! Pinball computer pinball simulation game
• Space Cadet, the lowest rank for a player in the arcade video game Gorf, the rank at which players start the game

• Space-cadet keyboard, a 1978 computer keyboard layout with seven modifier keys
• Various slang uses of space cadet derived from the novel and its spin-offs

• Stace Cadet, an Australian electronic music producer and DJ
• Cadet, a military trainee
• Military science fiction, the genre
• Space force, a military branch in outer space

This disambiguation page lists articles associated with the title Space cadet.
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