Now I understand they could be trained and based elsewhere, but might as well say the Martians did it...
The only thing I would even dare venture to guess is that the great ideas of the ages have come from people who were looking for things, even if they found something other than what they were looking for (like Penicillin).
Or LSD. Or cortexiphan.
Yo soy el stupido.
It's actually Señor.