I can't imagine (maybe you can and you can comment here) that a species that can make a spaceship and cross the universe can do so without a language that we co

I can't imagine (maybe you can and you can comment here) that a species that can make a spaceship and cross the universe can do so without a language that we could understand. Just to mine minerals and manufacture metal, computers, fuel, etc etc would mean co-operation on a massive scale -- millions of individuals. Nan-bots sure, they would be talking alien wifi and machine code. Giant creatures (AIs?) that live slower than us and manufacture each component themselves without the need of help.... like spaceflight from first principles.