[FoxPro]

The SR-71 Blackbird is just one big gas tank with jet engines.

[valkyry1]

//The SR-71 Blackbird is just one big gas tank with jet engines.//

Make that turbo-ramjet engines!

[AFreeBird]

The SR-71 Blackbird is just one big gas tank with jet engines.

Actually it had, IIRC, 6 tanks. And some of the fuel was also used for cooling of some components and engine hydraulics.

But hey, whatever works.