Capt. Dustin Blesha, UH-1N Marine pilot from 269th Helicopter Marine Light Attack, explains the missions of his aircraft during the Joint Service Open House (JSOH) on Andrews Air Force Base, Maryland, May 15, 2009. The JSOH offers an opportunity for service members to meet and thank the public for their support and to show them America's skilled military. (U.S. Air Force photo by Senior Airman Giang Nguyen)