[Connec]

Mostly for the money to say the least, but it also trains you to be well disciplined. To look after your buddies and learn how to react in emergency situations.
Also shows a sign of patriot, you love your country and willing to fight for it.

But there's also a bad side of it, if you get deployed in real situations, you might ended up injured if you're not careful enough, or have the first time shooting someone etc that haunts you. Basically gives you an aftershock. But what do I really know? Never been into one, yet.