Tristen Lee, the child of an Air National Guard member at the 137th Air Refueling Wing, looks through a bird house he constructed during Oklahoma Operation Military Kids June 19, 2014, at Will Rogers Air National Guard Base, Okla. Approximately 20 children participated in the three-day camp, where they learned leadership and team-building skills through exercises and competitions. (U.S. Air Force photo by Airman 1st Class Tyler Woodward)