Some chaplains have seen and ministered to so many dying or badly wounded soldiers in Iraq and Afghanistan they themselves have become casualties.

"To know that someone is there, that someone that comes from home to take care of you makes a tremendous difference for our warriors," says Judith Markelz, director of the Warrior and Family Support Center in San Antonio.

A report on an army boot camp for chaplains where they learn to carry out their ministry within the military culture.