11/2/2011 - PETERSON AIR FORCE BASE, Colo. — Nicholas Koon, son of Karen Koon, picks a treat from Staff Sgt. Mirella Hammon, 21st Space Wing chaplain assistant, during the 21st Medical Group Community Harvest Fest at the clinic, Oct. 31, 2011. Members from the medical group, dental clinic, chapel, health and wellness center, mental health and the aerospace physiology unit provided information about preventative health services and safe trick-or-treating for kids. The festival was open to all ages. (U.S. Air Force photo/Lea Johnson)