The U.S. Marine Corps V-22 Osprey hovers over the crowd at the 2012 Joint Service Open House May 20 on Joint Base Andrews, Md. This year's JSOH celebrates the Centennial of Marine Corps Aviation. The JSOH affords the public the opportunity to meet the men and women of the Armed Forces while viewing more than 100 static displays and 19 aerial demonstration teams. (U.S. Air Force photo by Staff Sgt. Christopher Ruano)