I tried doing a space\planets themed ranger theme and this is pretty much the result. Storywise I'm thinknig maybe 5 astrounauts sent on a space mission in order to prevent a group of rogue scientists who took over a significant space station from destroyingEarth or something like that.
Red = Mars = Weapon: Star Slashers (daggers)
Blue = Pluto = Weapon: Star Sniper (rifle)
Yellow = Venus = Weapon: Star Seeker (bow)
Green = Neptune = Weapon: Star Strikers (tonfa)
Orange = Saturn = Weapon: Star Saber (sword\crescent sword)