And the military needs nerds (positive term)! Who do you think maintains all our communications, networks, avionics, cryptography, collates all our intelligence information, and translates what the bad guys get intercepted saying in their native tongue?

All of these communities have, well, a reputation for a certain type of personality. The old joke is that you can tell an extrovert at the NSA because when he/she is talking, he/she looks at YOUR shoelaces.