Xmas 30C

One of my all-time favorite teams is the Legion of Super-Heroes (AKA the original Guardians of the Galaxy). I love the mix of high-concept science fiction and super-heroics.
From the Legion's grooviest period, as evidenced not just by the opening panel, but also Phantom Girl's ginchy outfit and the Star Trek inspired cruisers-

Star Light, Star Bright... from DC Super Star Holiday Special (1980)