Think about all the innovation coming out of military research. Like the internet - arguably more useful to humanity than the space blanket! So should we spend

Think about all the innovation coming out of military research. Like the internet - arguably more useful to humanity than the space blanket! So should we spend trillions more on military? Well maybe it is just that spending trillions on research towards anything tend to lead to some useful inventions on the side. But what if we spent the same amount of resources on researching something actually useful for humanity? We might still get the side inventions. Building a colony on Mars is a useless waste of money.