The real kicker is when he tries to marry his sweetheart - other reason for trading his stereotype American Jew comfort zone for a Uzi and dog tag - only to be told he's not a Jew because his mother's conversion was not Orthodox. Explaining that the mitzvah certificate used to join the army is unacceptable, the rabbi deadpanned, "That's civil law. Marriage is religious law. It's the law of God." His best man screamed, "He's in the army! He's in Lebanon! What could be more Jewish than that?"
So it comes down to that. Will two years in uniform make one a loyal citizen? The answer depends on whether we are called to defend our loved ones or some bureaucratic machinery who spends millions on a welcoming party for foreigners.