Are they still disappeared? In GA it takes a bit of time, sometimes, for armies to reappear. Check them on the Army menu (with all the other menus, on the right-bottom of your screen).
"Suicide was against the law. Johnny had wondered why. It meant that if you missed, or the gas ran out, or the rope broke, you could get locked up in prison to show you that life was really very jolly and thoroughly worth living."