Senior Airman Matthew Caudill, 11th Wing Security Support Squadron combat arms instructor, assists Zachary Balog, 6, son of Col. Daniel Balog, stationed at the Uniformed Services University, in getting a good sight picture on an M4 rifle Dec. 14, 2013, at the 26th Annual Parents and Children Fighting Cancer Christmas Party held in Hangar 3 on Joint Base Andrews, Md. This event allows PCFC families to spend the day in a winter wonderland offering food, entertainment, gifts, static displays, and a visit from Santa and Mrs. Claus. (U.S. Air Force photo/Aimee Fujikawa)