DNA may help military end era of unknown soldiers

Arlington caissonCombat boots stand empty before the altar, a rifle behind each pair.
In the Fort Drum chapel, in upstate New York, families and comrades fill the pews.
The chaplain calls the roll. Memories of missing men respond with a grave, complicated silence.
Barbara Ann Broyles listens to the name of her father, Lt. Col. Don Carlos Faith Jr., echo in the chapel.
She was 41⁄2 years old when Faith died east of the Chosin Reservoir in Korea in 1950. The scattered, retreating remnants of his troops left behind his body.