U.S. Army soldiers, 1st Sgt Buddy Hartlaub (standing) and Private 2nd Class Elisha Burge (R) with the 1-320 Field Artillery Regiment, 101st Airborne Division, test fire a mortar at Combat Outpost Nolen in the Arghandab Valley north of Kandahar July 29, 2010. REUTERS/Bob Strong (AFGHANISTAN - Tags: CONFLICT MILITARY)