Air Force 1st Lt. Christine Anouchian, 24, Glendale, Calif., plays with Iraqi children on a playground at a Civil Military Operations Center in Baghdad. The foreign disclosure officer, Yokota Air Force Base, Japan, tries to visit the CMOC at least once a month.CAMP VICTORY — In a place where violence can be part of everyday life, a smile can make a world of a difference. When humanitarian assistance is thrown in, combined with a desire to help others, lives can be changed for the better. Servicemembers and civilians here realize this, and spend their time helping and working with Iraqis...