If you do a little research, you will find that the average age of an American Soldier is 19 years old.
http://www.ramsayreunion.com/america...cansoldier.htm
The average age of a casualty in Iraq is nearly 27. The youngest American soldier killed in Iraq was 18; the oldest was 55.
"Reserve components tend to be older," Moskos said. Another reason is that a number of special operations troops were also killed in the early days of the war, and they tend to be older as well.
http://www.commondreams.org/headlines04/0417-02.htm