I have been working on this literally for months and finally the assortment of icons fell into place.
C: Command Insignia from Star Trek: TOS
O: Marvin the Paranoid Robot from Hitchhiker’s Guide to the Galaxy (the movie)
E: Tony Stark’s Mark I Arc Reactor from Iron Man
X: Kyle Reno’s new style Lightsaber from Star Wars: Episode VII
I: The 12th Doctor’s Sonic Screwdriver from Doctor Who
S: The logo from Superman v Batman: Dawn of Justice
T: Captain Mal Reynold’s ship Serenity from Joss Whedon’s TV show Firefly and movie Serenity
Based on the ubiquitous bumper sticker.