How do I open Galacticraft inventory?

[HyperPwner]

I load tekkit, go into space and I can't add any thing for galacticraft

[coolminecaleb1]

have to be in survival mode

[Lostonexxx]

The galacticraft menu is now incorporated into the survival menu. So if you are in creative, you wont be able to use it. So switch back to survival. If its the fuel gauge in the rocket you were after, the button is F.