He certainly is going to be disappointed in the "glamor" aspect of it.
And as the risk of sounding like a sappy patiot, if I were you, Id hang the flag of child in service in your window and be proud as any mother can be that your Son has decided to sacrifice and serve his country. He is doing the most noble of things. And God forbid bad things should befall him, hold your head high that your son made the ultimate sacrifice and died a true hero, the highest of honors for any mother and child.
God Bless you and your son.