Photo ~ SHA-WALI-KOT, AFGHANISTAN - U.S. Army chaplain Carl Subler celebrates a Catholic Mass for soldiers on March 5, 2010 at an American small combat outpost in Sha-Wali-Kot in Kandahar province in southern Afghanistan. Military chaplains travel the battlefield throughout Afghanistan, providing a backbone of support for thousands of soldiers struggling with the difficulties of war and year-long deployments away from home. (Photo by John Moore/Getty Images)

Getty Images photojournalist John Moore follows U.S. Army Chaplain Carl Subler and U.S. Army Chaplain Gary Lewis as the administer to the troops. Lewis has spent countless hours counseling grieving soldiers in 1st Battalion, 17th Infantry, which has suffered 21 fatalities since it’s deployment last summer, the most of any U.S. Army battalion during the Afghan war.

Photos: Military Chaplains in Afghanistan