NOT TO BE CONFUSED WITH THE GERRY ANDERSON PROGRAM “THUNDER BIRDS” IN ANY WAY, this is totally different, cause we put “Fire” in there instead of Thunder. Okay? Glad we’re clear.
AKA Brian Heiler author of "Rack Toys: Cheap, Crazed Playthings" and co-editor of "Toy-Ventures Magazine". Co-Host of the "Pod Stallions" podcast. Host of the Brick Mantooth Youtube channel, painter, designer, writer, mental health advocate, toy collector, Mego, and Mego Knock-Off enthusiast. I have large feet, ADHD and I live in Canada. Talk toys, not others. 
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Likewise, Firebird-4 shares no relation with Colonial Vipers.
Jon beat me to it.
Are these considered rack toys? FireBirds 4 and 5 look sort of cool, but the others are sad at best. Hard to imagine any kid getting excited about the Space Missile.
You'd be surprised, YIN.
In the Flash Gordon cartoon series/ and animated movie, Ming The Merciless had a "Mecho-Mole" drill tank that looked exactly like the "Space Missile". I would have been an extremely happy Anon if there had been a Firebirds toy display at my local Child World. The mini Colonial Viper would have been an instant hit, too.
Fairly certain a drill tank appears in The Superfriends show and, by now, I think we all know who likes Superfriends, yes?
I think that sort of drill vehicle has shown up in many shows/movies. GI Joe comes to mind, and I think also the Incredibles movie.
As for who is a Superfriends fan… Well, i'm certainly one of the faithful as well.