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You must launch those materials off the planet before you can spend them on upgrades.


Thanks for the help. 

How to do this? Lauch?


There are 2 ways to launch,first is to wait for specific the wave which after it you have to can launch your core with your resource inside the core,second is to build a launch pad(which you need to research before you can build it in the game).with launch pad you can get your resource for the research while still playing the stage