"Yes, 3 or 4 months long. After which they get an automatic gun with ammo to keep at home so that they could quickly defend Switzerland if another country attacks (which has not happened in last 8 centuries, though)."
I don't want to say the wrong thing to the wrong person here, but...it's easy for a Swiss kid to lecture us about national defense when Switzerland can pimp the rest of Europe with its banks and has the best defensive position imaginable in case someone tries to invade its mountaintop resort.